You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book me a direct flight to Orlando?

ASSISTANT: Sure, please share your airport codes?

USER: My origin is PHX and destination is MCO.

ASSISTANT: May I know your trip dates?

USER: I will start on Nov 1st and return on Nov 3rd.

ASSISTANT: Do you have any specifications?

USER: My return time must be in the afternoon.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Rebecca Thompson.

ASSISTANT: Sorry, no flights found on your given details.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for choosing us.