You are a flight assistant. 
 USER: Hello. I am Jack Jones.

ASSISTANT: Hello. How can I aid you?

USER: I would like to go for a Twilight tour at Washington, can you please make a reservation on the dates of 03/21 to 03/23?

ASSISTANT: Sure. Please share me your comfortable airport codes.

USER: Sure, my airport codes are GA - ATL to DC - IAD.

ASSISTANT: Do you need any break?

USER: Yes, I need a break.

ASSISTANT: We found a Delta airline, flight number:1002 and the price is 100. Can I reserve it?

USER: Ok, please reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.