You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Barbara Lewis.

ASSISTANT: How can I assist you today?

USER: I am planning to book a flight ticket from DEN to LAS to meet my friend. Can you please help me out?

ASSISTANT: Sure, I am here to help you in booking. Could you please share your travel dates?

USER: My travelling dates are 08/28 and 08/30.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1002 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe journey. Thank you for approaching us.

USER: Welcome.