You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Thomas Young.

ASSISTANT: How may I assist you?

USER: I would like to plane a long trip, can you please help me that?

ASSISTANT: Sure, please provide your airport codes.

USER: My airport codes are from IAD to MCO.

ASSISTANT: May I know your journey dates?

USER: I would like to fly on 11/06 and return on 11/08.

ASSISTANT: I found a flight for you in AA airlines with price 100, can I proceed?

USER: Yes, proceed with my booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for choosing us.