You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: Can you help me to book a flight ticket from DFW to LAS?

ASSISTANT: When are you planning to make your journey?

USER: Feb, 2 and Feb, 4 are my travel dates.

ASSISTANT: Do you prefer any way station in between journey.

USER: I would prefer connecting flight.

ASSISTANT: Can I know your good name to proceed further?

USER: Scott Taylor here.

ASSISTANT:  There is a flight in United Airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1008.

USER: Thank you.

ASSISTANT: Thank you for choosing us.