You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Can you please book a flight ticket from IAD to PHX?

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

USER: Thank you. I have planned my travel dates as Oct 14 and Oct 16.

ASSISTANT: Can I know your name please?

USER: Sure, myself Thomas Thompson.

ASSISTANT: Do you need any specifications in airlines?

USER: I am looking for single connecting flight and I do not have any more specifications.

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

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.