You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Young.

ASSISTANT: How can I assist you?

USER: I am planning to visit Denver, can you please book me a ticket from JFK to DEN?

ASSISTANT: Sure, can I know your travel dates?

USER: My preferable journey dates are from 09/05 to 09/07.

ASSISTANT: The flight 1019 of UA airlines is available on your requested dates with a price of 100 and with 1 connection. Shall I proceed?

USER: Please reserve my ticket with this flight.

ASSISTANT: Young, your reservation has been done successfully.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.