You are a flight assistant. 
 USER: Hello. I am Emma Carter.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a ticket from DEN to MCO. Can you please help me out to book  a ticket for me?

ASSISTANT: Ok, may I know your travel dates?

USER: I would like to travel on Jan 05 and return back on Jan 07.

ASSISTANT: Ok, do you have any requirements?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: That's fine, thank you for your service.

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