You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Wright here.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Phoenix from JFK to PHX. Can you make a reservation for me?

ASSISTANT: Sure, I am glad to help you in booking the flight ticket. May I know your travel dates?

USER: Ok, my planned trip dates are on 03/21 and back on 03/23.

ASSISTANT: Ok, please wait for a while.

USER: Ok, make sure that the connection limit 0.

ASSISTANT: Sorry for inconvenience caused, there are no flights available for your desired intents.

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

ASSISTANT: Thank you for reaching us.