You are a flight assistant. 
 USER: Hello. I am Kathleen Jones.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to visit at Phoenix for enjoying holidays, can you help me to book a flight ticket from JFK to PHX?

ASSISTANT: Can you please share me your travelling dates?

USER: My preferable journey dates are Aug 19 and Aug 21.

ASSISTANT: Is there any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Ok, may I know your departure and return timings?

USER: I would like to return back in the morning time.

ASSISTANT: Ok, may I know your other specifications?

USER: No, thanks for asking.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.