You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Karen Johnson here. Please help me out in booking the ticket from MCO to ORD.

ASSISTANT: Ok, may I know your journey dates to get a flight for you?

USER: My trip dates will be Sept 02 to Sept 04.

ASSISTANT: Sorry to inform you, there is no flight running on your route.

USER: That's ok, thank you for informing.

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