You are a flight assistant. 
 USER: Hello,. Can you please help me in booking my flight ticket from HOU to MCO?

ASSISTANT: Hello, how can I aid you today?

USER: Please help me in booking?

ASSISTANT: Please provide your trip dates.

USER: My trip dates are Aug 18-20.

ASSISTANT: Do you need any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: I need to return in the evening.

ASSISTANT: May I know your name for reservation?

USER: I am Justin Evans.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.