You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know your trip dates?

USER: My journey dates are 12/04 and 12/06.

ASSISTANT: Do you prefer any specifications?

USER: I need only direct flight.

ASSISTANT: Please share your name.

USER: Richard Evans here.

ASSISTANT: No flights found on your route.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you.