You are a flight assistant. 
 USER: Hello, I am Steven Mitchell.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from HOU to SEA?

ASSISTANT: Surely, I will help you. Can I have your travelling dates?

USER: Sure, I would like to go on 11/22 and return back on 11/24.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Spirit airline which costs 300 per ticket. Shall I proceed?

USER: Ok, please proceed for further if it costs you below 500.

ASSISTANT: Your ticket is done with flight number 1006. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.