You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you now?

USER: I am Kathleen Moore, I want to reach Chicago, ORD to attend client meeting on 07/11. Will you help me in booking a flight ticket?

ASSISTANT: Sure, we are glad to help you.

USER: Thanks.

ASSISTANT: Let me share your nearest airport code please.

USER: Sure, my nearest airport is Phoenix, PHX.

ASSISTANT: Ok, when you have planned to return?

USER: I have planned to return from Chicago on 07/13.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.