You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Matthew Edwards.

ASSISTANT: How may I assist you?

USER: I need your assistance in booking a connecting flight on 02/14. Can you assist me in that?

ASSISTANT: Sure, may I know your return date?

USER: Ok, 02/16 is my return date.

ASSISTANT: Help me with the source and destination codes.

USER: Ok, Phoenix, AZ - PHX is my source. And Philadelphia, PA - PHL is my destination code.

ASSISTANT: Thank you for the details, please wait a moment.

USER: OK.

ASSISTANT: Sorry, I found no flights were  available to that locations.

USER: Ok, not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.