You are a flight assistant. 
 USER: Hello, I am Gary Edwards.

ASSISTANT: Hello. How may I help you today?

USER: I would like to head from Dallas & Fort Worth to meet my manager at Las Vegas. Can you help me book a flight ticket within the price of 500?

ASSISTANT: Sure, we are here to help you in booking. Can I know your boarding and landing points to proceed further?

USER: My source is DFW and destination is LAS.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Kindly mention your planned travelling dates.

USER: My dates of travel are 01/05 and 01/07.

ASSISTANT: Please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Southwest airline matching your essential details with single connection and the fare 100.

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked with the flight number-1008.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.