You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from HOU to PHL as a holiday trip.

ASSISTANT: Sure, may I know your travel dates please?

USER: My journey dates are 11/18 and 11/20.

ASSISTANT: Can you please share your name?

USER: Michael Mitchell here.

ASSISTANT: Is there any other specifications?

USER: Return time should be afternoon.

ASSISTANT: May I know your name please?

USER: Already mentioned above.

ASSISTANT: Do you have any connection preference?

USER: I need break in my journey.

ASSISTANT: Michael Mitchell, there are no flights available in your route.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for choosing us.