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

ASSISTANT: Hello, how may I guide you at present?

USER: I need to fly Las Vegas, could you please help me in booking my flight ticket from IAH to LAS?

ASSISTANT: Sure, kindly please mention your connection limit for booking.

USER: I need a connecting flight.

ASSISTANT: Ok, When do you want to depart and arrival?

USER: My planned trip dates are 10/25 and 10/27.

ASSISTANT: Thanks for your information, please standby.

USER: Ok.

ASSISTANT: Thanks for being patient, we found a connecting flight with a fare of 100 and the flight number is 1012 which fits to your criterion. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, I have booked a ticket in UA airline.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching our service.