You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please reserve me a flight ticket from HOU to JFK?

ASSISTANT: Sure, let me know your planned journey dates?

USER: My planned journey dates are Apr 28 and Apr 30.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other specifications?

USER: My return  time should be afternoon.

ASSISTANT: Can I know your name?

USER: I am Catherine Scott.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.