You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please book a flight ticket from HOU to LAS?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are July 25 and July 27.

ASSISTANT: May I know your name?

USER: My name is Katherine Walker.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in Frontier airlines and price is 200. Shall I book?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1029.

USER: Thank you.

ASSISTANT: Thank you for choosing us.