You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to meet my childhood friend on Feb 19, can you help me with booking?

ASSISTANT: Please share me your source and destination codes.

USER: My airport codes are MCO to PHX.

ASSISTANT: May I know your return travel date?

USER: I intend to return on Feb 21.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Patrick Jones.

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

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.