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

ASSISTANT: Hello, how may I assist you?

USER: I am going to Chicago, IL - ORD to purchase a vintage car from a dealer. Can you hold me a ticket?

ASSISTANT: Sure. May I know when you are willing to travel?

USER: I want to travel from 03/06 to 03/08.

ASSISTANT: Do you need any connections in between?

USER: Yes, I need a stopover.

ASSISTANT: May I know where are you starting from?

USER: I want to fly from Denver, CO - DEN .

ASSISTANT: Thank you, We found an Delta airline matching your request and the fare is 100. Shall I proceed with this booking?

USER: You can proceed to book.

ASSISTANT: Your booking is done with flight number 1015.

USER: Thank you for your service.