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

ASSISTANT: Hello. How can I assist you?

USER: I want go for hummer tour to Las Vegas, LAS. Can you help me in booking  from MSP?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are from 12/15 to 12/17.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: We found a UA airline, flight number:1000 and the price is 100. Can I proceed it for booking?

USER: Ok, Please book it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for picking us.