You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Dennis Moore. I want to book a ticket from DEN to IAD. Could you help me?

ASSISTANT: Sure, I will help you with that. May I know your travel dates to proceed further?

USER: My preferable dates are from 09/22 to 09/24.

ASSISTANT: There is a flight with 1 connection and fare is 100. Shall I proceed with booking?

USER: Yes, proceed with booking.

ASSISTANT: Your ticket has been confirmed with the flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.