You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book my ticket from MCO to PHX. Can you please help me with booking a flight ticket?

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

USER: My travel dates are from Nov 21 to Nov 23.

ASSISTANT: Can you please share your connection limit?

USER: I need a flight with single connection limit.

ASSISTANT: Do you have any other specifications?

USER: I would like to book my ticket in economy class.

ASSISTANT: May I know your name please?

USER: Sure, myself Gregory Thompson.

ASSISTANT: Gregory Thompson, there are no flights available in your route.

USER: That's ok, no problem. Thank you for your help in searching.

ASSISTANT: Thank you for choosing us.