You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight ticket from MCO to CLT?

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are Sept, 23 and Sept, 25.

ASSISTANT: Do you have preference?

USER: I need direct flight.

ASSISTANT: Can I know your name?

USER: Betty Jackson here.

ASSISTANT: Sorry, there are no flights with your requirement.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you.