You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to schedule my trip to travel Las Vegas. Can you please help me in reserving the ticket from ORD to LAS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I am planning my trip on July 15 and again I will return back on July 17.

ASSISTANT: May I know your connection limit?

USER: I am planning to travel in single connection flight.

ASSISTANT: Is there any class preference for you?

USER: I am comfort to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications regarding my journey.

ASSISTANT: Your good name please.

USER: Myself Carolyn Turner.

ASSISTANT: We found an airline: Delta, flight number: 1009 and price is 200 with one connection.

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for reaching us.