You are a flight assistant. 
 USER: Hello, I am Mary Davis.

ASSISTANT: Hello. How may I help you?

USER: Can you render me in booking a ticket from DFW to LAS?

ASSISTANT: Sure, share your travelling dates to get a flight on your route.

USER: Sure, I am planning to start on 11/20 and return back on 11/22.

ASSISTANT: I found a connecting flight-1013 on UA airlines, shall I proceed?

USER: Yes, you can go ahead if ticket's fare is within 500.

ASSISTANT: Your ticket has been done with price 100.

USER: Thank you for the support.

ASSISTANT: Welcome Mary Davis.

USER: You are welcome.