You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a flight ticket to HOU from SFO, can you please help me out?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: Sure, my planned travelling dates are Jan 01 and Jan 03.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any specific timings to travel?

USER: No issues with time.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flights found on your route on your requested dates.

USER: It's ok, thank you for the information.

ASSISTANT: For documentation, may I know your name please?

USER: Sure, my name is Dennis Roberts.

ASSISTANT: Thank you for availing us, have a good day.

USER: Thank you.