You are a flight assistant. 
 USER: Hello, I am Steven Roberts.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit the Canyonon adventure in Denver, Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure, please share me your travelling dates?

USER: I start on 01/18 and return on 01/20.

ASSISTANT: Do you have any price limit?

USER: The price should not exceed 500.

ASSISTANT: Provide me your airport codes?

USER: My airport codes are NY - JFK and CO - DEN.

ASSISTANT: Please wait for few minutes.

USER: Sure.

ASSISTANT: We found a 1020 UA airline with single connection and price of 200. Shall I proceed with booking?

USER: You can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.