You are a flight assistant. 
 USER: Hello. Ronald Lewis here.

ASSISTANT: Hello, how may I aid you?

USER: Please help me out in booking the ticket from MSP to DEN.

ASSISTANT: Sure, do you prefer business class or economy class?

USER: I will prefer economy class.

ASSISTANT: Ok, when do you want to travel?

USER: My trip dates will be 11/30 to 12/02.

ASSISTANT: Ok, May I know your price limit?

USER: As, my budget is low I can afford only up to 500.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight in 1001 UA airline with a fare of 200. Can I proceed for booking?

USER: Please proceed further.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.