You are a flight assistant. 
 USER: Hi. I am Michael Williams.

ASSISTANT: Hello, how may I assist you?

USER: I want to go for a round trip to Denver, CO-DEN, can you please book me a ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your dates of travel?

USER: My dates of travel are from 12/12 to 12/14.

ASSISTANT: Do you have any specifications?

USER: My price limit is 200. I want a single connection in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Spirit with flight 1012 having a fare 100 with halt. Shall I proceed with booking?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.