You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I help you?

USER: Please book a ticket from Las Vegas, NV-LAS to Minneapolis & St. Paul, MN-MSP.

ASSISTANT: Ok, may I know your travelling dates please?

USER: My travelling dates are from 08/07 to 08/09.

ASSISTANT: What is your good name please?

USER: I am Mark Campbell.

ASSISTANT: Mark Campbell, may I know your specifications?

USER: Price limit 200. I need direct flight.

ASSISTANT: Flight-1010 is available for you with 1 connection at the price of 100, can I book it?

USER: Please do not book ticket. Thank you.