You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from LAS to DEN. Could you help me in booking?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are from Nov,23 and Nov,25.

ASSISTANT: Ok, please mention your name.

USER: Myself Betty Smith.

ASSISTANT: Ok, do you have any connection limit?

USER: I prefer one connecting flight.

ASSISTANT: Is there any other specifications?

USER: I need a normal-cost Airline.

ASSISTANT: Here, I found a flight for you with single connection and class is economy.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1008 and airline is UA.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.