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

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from MSP to LAS?

ASSISTANT: When you are willing to travel?

USER: I want to travel on 10/12, and need to catch return flight on 10/14.

ASSISTANT:  Is there any another specifications on your trip, so that I can arrange like that only.

USER: Make sure to check a flight with in a price limit of 500.

ASSISTANT: There is a connecting flight-1019 with price 200, is it fine for you?

USER: Proceed with the booking.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thanks for the help.

ASSISTANT: Welcome, have a good day.