Using the Chatbot

Using the Chatbot

The MeetAssist chatbot can be accessed via Facebook Messenger and provides a conversational interface for booking appointments with consultants.

Getting Started

1. Open Facebook Messenger and search for your connected page
2. Click the Get Started button
3. The chatbot will greet you and request authentication

Authentication Flow

Before using the chatbot, you need to authenticate:

1. Email Verification: Enter your registered email address
2. OTP Request: The bot will send a One-Time Password to your email
3. Enter OTP: Enter the 6-digit code from your email (check spam folder)
4. Active Session: Your session is valid for 24 hours

Booking an Appointment

The chatbot uses natural language understanding capabilities powered by Amazon Bedrock. You can book appointments using conversational Vietnamese:

Example conversations:

• “Tôi muốn đặt lịch với tư vấn viên Nguyễn Văn A vào thứ 2 tuần sau lúc 10 giờ sáng”
• “Book appointment with consultant John next Monday at 2pm”
• “Đặt lịch gặp chuyên gia Trần Thị B ngày mai buổi chiều”

The chatbot will:

1. Extract appointment information (consultant, date, time)
2. Check the consultant’s available schedule
3. Confirm the booking with you
4. Create the appointment in the system

Updating an Appointment

To edit an existing appointment:

• “Tôi muốn đổi lịch hẹn sang thứ 4”
• “Change my appointment to 3pm”
• “Reschedule my meeting with consultant A”

The chatbot will display your current appointments and guide you through the update process.

Canceling an Appointment

To cancel an appointment:

• “Hủy lịch hẹn của tôi”
• “Cancel my appointment”
• “I want to cancel my meeting”

The bot will list your active appointments and request confirmation before canceling.

General Queries

Ask the chatbot about:

Consultants:

• “Có những tư vấn viên nào?”
• “Who are the available consultants?”
• “Tell me about consultant Nguyễn Văn A”

Available Schedule:

• “Tư vấn viên A có lịch trống khi nào?”
• “Show me available slots for next week”
• “When is consultant B free?”

Your Appointments:

• “Lịch hẹn của tôi”
• “My appointments”
• “Show my upcoming meetings”

Aborting Actions

If you want to cancel the current conversation flow:

• Type “abort” or “hủy” at any time
• The bot will reset and you can start a new request

Session Management

• Sessions expire after 24 hours
• You will need to re-authenticate with email + OTP
• Your conversation history is maintained throughout the session

Troubleshooting

Issue: Bot not responding

• Check if the Facebook webhook is configured correctly
• Verify the API Gateway URL in webhook settings
• Check Lambda logs in CloudWatch

Issue: Not receiving OTP

• Verify your email is correct
• Check spam/junk folder
• If in SES sandbox mode, ensure the email is verified in SES Console

Issue: Appointment booking fails

• Ensure the consultant exists in the database
• Check if the requested time slot is available
• Verify the date format is understood by the bot

Issue: Bedrock model throttling

• If you see slow responses, you may be hitting Bedrock rate limits
• Consider requesting quota increases in Service Quotas console

Now you can start interacting with the MeetAssist chatbot to manage your appointments!