You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Janet Collins here. I want to meet my aunt in Phoenix, could you book my ticket from MCO to PHX?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are 12/29 and 12/31.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.