You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be at your service?

USER: Could you please book a flight ticket from MCO to PHX?

ASSISTANT: Sure, can I know your connection limit please?

USER: I need a direct flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Dec 29 and Dec 31.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Linda Mitchell.

ASSISTANT: Do you have any other restrictions to be met?

USER: I prefer an economy class.

ASSISTANT:  Sorry to say that, there are no flights available on the routes of your journey.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.