You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: As, I am a formula one racer, I want to participate in multi-car 50 mile canyon road test drive which is going to be held in Denver, which is most adventurous ride in DEN. Can you help me to book a flight?

ASSISTANT: Sure, when your planning to travel?

USER: I am planning to travel in the month of September 05 and 07.

ASSISTANT: Ok, may I know your takeoff airport code?

USER: I want to take off from Las Vegas, LAS.

ASSISTANT: May I know your connections?

USER: Usually, I prefer connecting flight, but I am comfortable with direct flight also.

ASSISTANT: Do you prefer any specifications?

USER: No.

ASSISTANT: There is a connecting flight in Southwest airlines with fare 100.

USER: Please proceed with the booking.

ASSISTANT: On whose name I should book?

USER: Please reserve the ticket under the name of Karen Young.

ASSISTANT: Your booking is done.

USER: Thanks for your kind assistance.

ASSISTANT: Thank you.