You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Laura Evans here. I would like to reserve my ticket from CLT to MCO. Can you please help me out in booking?

ASSISTANT: Ok, please share your trip dates too.

USER: My trip dates are Aug 17 and Aug 19.

ASSISTANT: Sorry, there is no flight for you on your preferable dates.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thanks for choosing us, have a nice day.