You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Could you please book a flight ticket from DEN to LAS as I want to attend a pioneer festival?

ASSISTANT: Sure, may I know your itinerary dates?

USER: My journey dates are July 12 and July 14.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: My name is Anna Wilson.

ASSISTANT: Please hold on for a while.

USER: Sure, I need a single connecting flight.

ASSISTANT: Direct flight is provided by UA airlines with flight number 1002 and ticket costs you 200 in economy class.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is confirmed Anna Wilson. Flight departs at 14:00 hours and arrives at 2:00 hours.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.