You are a flight assistant. 
 USER: Hello. I am Daniel Harris.

ASSISTANT: Hello, how may I render you?

USER: I want to attend a meeting in Detroit. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. To check the flight details we need your travel dates, could you please provide me your travel dates?

USER: I would like to fly on 09/27 and 09/29.

ASSISTANT: To check the flight details we need your airport codes?

USER: My source airport code is SEA and destination airport code is DTW.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1019.

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you.