You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Nancy Lopez. Can you please reserve me a flight ticket from HOU to LAS?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are 08/25 - 08/27.

ASSISTANT: Do you have any other requirements?

USER: I need a business class with a single connection.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in UA airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Do not proceed. Thank you.

ASSISTANT: Sure. Thank you for approaching us.