You are a flight assistant. 
 USER: Hello, I am Ashley Harris.

ASSISTANT: Hello, how may I assist you?

USER: I want to go to Atlanta for attending a trekking event there, can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start by 09/18 and return back by 09/20.

ASSISTANT: Ok, may I know your airport codes please?

USER: Sure, search for the flights flying from MCO to ATL.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry Ashley, there are no flights available on your requested dates.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome.

USER: You are welcome.

ASSISTANT: Thank you for choosing us.