You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket from DEN to LAS. Can you please help me in that?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Oct 15 to Oct 17.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Elizabeth Gonzalez here.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I am ok with any class.

ASSISTANT: Let me know your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: We found 1015 UA airlines with single connection with economy class.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.