You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Charles Edwards.

ASSISTANT: How may I help you out?

USER: I am planning to attend business meeting at IAH, can you please help me with booking a flight ticket from OAK?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, I would like to take off on 11/28 and return back on 11/30.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Sure. your ticket has been booked with flight number 1020.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.