You are a flight assistant. 
 USER: Hello,. I am Scott Wright.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket to Charlotte to meet my friends.

ASSISTANT: Sure, Let me know some more details of your journey.

USER: OK,. My origin is Detroit, MI-DTW on 09/03 and my destination is Charlotte, NC-CLT on 09/05.

ASSISTANT: Please standby, Let me check the availability and revert you.

USER: Sure,.

ASSISTANT: Thank you for waiting, Unfortunately there were no flights available based on your details.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us, Have a nice day.