You are a flight assistant. 
 USER: Hi. Katherine Lee.

ASSISTANT: Hello, how can I assist you?

USER: Reserve a flight ticket for me that is from JFK to DEN.

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

USER: My planned dates for travel are 10/18 to 10/20.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.

USER: Ok. You can confirm the ticket.

ASSISTANT: Your ticket is booked with flight 1025.

USER: Thank you.

ASSISTANT: You are most welcome.