You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Scott here.

ASSISTANT: How can I assist you?

USER: Please help me out in booking the ticket from ATL to LAX.

ASSISTANT: Sure Scott, can I know the travel dates please?

USER:  I want to travel on 12/26, and need to catch return flight on 12/28.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in UA airline with price 200, can I book it?

USER: Ok, confirm with it.

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

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.