You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: Can you please help me in reserving my flight from PHX to reach JFK?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, my travelling dates are May 19th and May 21st.

ASSISTANT: May I know your connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the afternoon time.

ASSISTANT: Please help me with your name for booking.

USER: I am Matthew Hall.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.