You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to go for a Grand Canyon Adventure in Denver, CO - DEN. Can you please make a flight reservation from Washington, DC - IAD?

ASSISTANT: Sure, please share your preferred travelling dates?

USER: My scheduled dates are 01/21 - 01/23.

ASSISTANT: Can I know your good name please?

USER: Sure, I am Carolyn Lee.

ASSISTANT: We found a Delta airline with fare of 100 matches your schedule.

USER: Please proceed.

ASSISTANT: Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed with flight number 1022.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.