You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book the flight ticket from DFW to LAS. Can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly share your travel dates.

USER: My travel dates are Feb 13 and Feb 15.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection flight.

ASSISTANT: Is there any other specifications?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: Please share your name.

USER: William Nelson.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is United Airlines with price 200 and single connection. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is done and flight number is 1016 in economy class.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.