You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Mary Thompson from Washington.

ASSISTANT: Welcome to flight booking agency Thompson.

USER: Thanks. I need your help in booking of a flight ticket from IAD to PHX for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates that you want to travel?

USER: Thank you, I want to take off on 08/15 and please confirm my return ticket also on 08/17.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok, but please make sure that I want 1 halt in between my journey.

ASSISTANT: Ok, I will search for it. Please be on hold.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with connection 1.

USER: Oh! It's ok no problem, I will go with another airline.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your information.

ASSISTANT: Welcome.