You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Jack Scott, I need your help in booking the ticket from CLT to ORD for meeting a friend.

ASSISTANT: Scott, may I know your trip dates?

USER: My journey dates are from 06/17 to 06/19.

ASSISTANT: Ok, wait for a moment.

USER: Sure.

ASSISTANT: Sorry Scott, no flights as per your requirements.

USER: That's fine.

ASSISTANT: Thank you for approaching us.

USER: Thank you.