You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket from Charlotte CLT to Orlando MCO. Can you find a flight ticket for me?

ASSISTANT: Sure, I can help you and can I know your travel dates please?

USER: Sure, my planned trip dates are on Dec 03 and return on Dec 05.

ASSISTANT: May I know your name for further proceeding?

USER: Ok, my name is Jennifer Lewis.

ASSISTANT: Is there any other specifications?

USER: Yes, I want to depart in the evening time.

ASSISTANT: Thank you for your information, there is no flight found on your travel dates to book the ticket.

USER: Ok, not an issue. Thank you for your valuable information.

ASSISTANT: You are most welcome and thank you for reaching us.