You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Christopher Smith. I am planning to book a ticket from PHL to CLT. Can you please help me out?

ASSISTANT: Ok, may I know your trip dates?

USER: I would like to travel on 11/24 and return back on 11/26.

ASSISTANT: There is a flight-1003 on AA airline, should I proceed?

USER: Please proceed the booking.

ASSISTANT: Sure, your ticket booking is done.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us.