You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Elizabeth Taylor. I am planning to book a ticket from IAD. Can you please help me out?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: I would like to travel on 09/02 and return back on 09/04.

ASSISTANT: Can I know your return airport code please?

USER: My destination code is OAK.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your own time.

ASSISTANT: There is a flight with connection 1 with price 100, can I proceed with this flight?

USER: Please book it.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.