You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I'm Debra Anderson. I am planning to attend convocation meeting at Houston, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to assist you. Can you please provide your dates of journey?

USER: Sure, I would like to take off on 09/21 and return back on 09/23.

ASSISTANT: Ok, please provide your source and destination codes.

USER: My source airport code is MSP and the destination airport code is HOU.

ASSISTANT: I have found a flight with 1 connected flight, costs 100 from AA airline. Shall I proceed?

USER: Ok, please proceed with the booking.

ASSISTANT: Your flight ticket has been booked with 1017 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our service. Have a safe journey.

USER: You are welcome.