You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am James Turner, want to travel from New York to Phoenix. Will you please help me in booking my ticket?

ASSISTANT: Sure, we are here to serve you. May I know your travelling dates to proceed?

USER: My travelling dates will be from 01/01 to 01/03.

ASSISTANT: Ok, do you have any other requirements?

USER: Yes, I need a direct flight.

ASSISTANT: Can you please provide your airport codes?

USER: Yes, my source will be from JFK and my destination is PHX.

ASSISTANT: Ok, please wait a while. I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately there are no flights available at this moment according to your request.

USER: Oh! It's ok, no issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your service.