You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jacob Robinson want to attend a seminar held at Denver, can you book a ticket within the fare of 500?

ASSISTANT: Sure, may I know your dates of travel?

USER: Sure, my travelling dates will be 10/08 and 10/10.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Please mention your airport codes.

USER: Ok, I want a ticket from ATL to DEN.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Thank you for being patient. We found a UA airline with flight number 1004 and price of 400 matching your details. Can I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.