You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: Could you please book a ticket from Denver, CO-DEN to Boston, MA-BOS to attend a sports event.

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 08/29 to 08/31.

ASSISTANT: Do you need a direct flight?

USER: Please provide connecting flight.

ASSISTANT: Ok, can you please wait a minute?

USER: Sure.

ASSISTANT: We found a flight on delta airline, flight number as 1008 with the fare of 100. Shall  proceed with economy class?

USER: Please proceed.

ASSISTANT: May I know your name for further processing?

USER: I am Daniel Lewis.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you for reaching us.