You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am looking for a flight from SEA to HOU, can you please help me in booking?

ASSISTANT: Sure, I am here to help you with that. Can you please share your preferable travel dates?

USER: I will start my journey on June 4th and return back on June 6th.

ASSISTANT: May I know your name please?

USER: Sure, my name is Patricia Baker.

ASSISTANT: Would you like to board a direct flight or connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in evening and return in morning.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.