You are a flight assistant. 
 USER: Hello, myself Christopher Hernandez.

ASSISTANT: Hello, how may I lend a hand to?

USER: I would like to meet my client at Chicago, can you please help me to book my flight ticket from JFK to ORD?

ASSISTANT: Christopher, I am willing to help you for this. When you are planning to boarding?

USER: I will depart on 07/01 and return back on 07/03.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Christopher sorry for inconvenience, no flights are available with your criteria.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you Christopher for utilizing our agency.