You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER:  I am Angela Carter. Can you please help me in booking my flight ticket from JFK to PHX?

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

USER: My travelling dates are July 14 and July 16.

ASSISTANT: Ok, do you have any other requirements?

USER: I need my depart flight at afternoon time.

ASSISTANT: Ok, please wait.

USER: I need my connecting flight.

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

USER: Ok, fine thank you for checking.

ASSISTANT: Most welcome.