You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to book a ticket with the name Larry Parker, can you help me with it?

ASSISTANT: May I know your journey detail?

USER: As I have planned to attend a seminar on 02/15 and I want to return on 02/17.

ASSISTANT: May I know your airport codes?

USER: My source and destination codes are DTW and DCA.

ASSISTANT: I have found a flight with airline AA and the flight number is 1017. Can I proceed?

USER: Ok, go on with this booking.

ASSISTANT: Yes. Booking is done.

USER: Thank you.