You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Myself David Lopez.

ASSISTANT: Nice meeting you David.

USER: Can you please help me in booking a flight ticket from PHL to PHX locations?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 01/13 and 01/15.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 700 from Delta airline. Is it ok for you?

USER: Sorry, my fare is just 200. It's ok, thank you for the information.

ASSISTANT: Sorry, there are no flights available with in that price range. Thank you for reaching us.