You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book my ticket from DEN to IAD. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide your itinerary dates.

USER: my itinerary dates are from Aug 30 to Sept 01.

ASSISTANT: May I know your name?

USER: Sure, myself Mark Wilson.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines with flight 1025 is providing a connecting flight and ticket costs you 100 in economy class.

USER: That's fine for me, please proceed with that ticket booking.

ASSISTANT: Your ticket is confirmed Mark Wilson.

USER: Thank you for your help in booking my ticket for the flight-1025.

ASSISTANT: Thank you for reaching us.