You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Matthew Edwards from Phoenix. I have to go to New York next week for attending a business meeting there. Can you please book a flight ticket from PHX to JFK?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I want to take off on 03/17 and please book my return ticket also on 03/19.

ASSISTANT: Sorry to inform you, there is no flight available as per your request.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Most welcome.