You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am planning to travel from ATL to LGA.

ASSISTANT: Ok, may I know your journey dates please?

USER: I would like to travel on 04/22 and return back on 04/24.

ASSISTANT: AA airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Yes, you an book it.

ASSISTANT: May I know your good name please?

USER: I am Dennis Lee.

ASSISTANT: Your ticket has been booked with flight-1003, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you.