You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket from PHL to MCO, Can you please help me for booking?

ASSISTANT: Sure, can you share your travel dates please?

USER: I would like to travel on 09/06 to return on 09/08.

ASSISTANT: May I know your good name please?

USER: Elizabeth Collins here.

ASSISTANT: Please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a return time in the evening.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.