You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please change my active reservation.

ASSISTANT: Sure, may I know your name please?

USER: Myself Betty Hill.

ASSISTANT: We found your reservation, can you please share you travelling dates please?

USER: I have planned to travel on June 10th and return on June 12th.

ASSISTANT: May I know your airport codes please?

USER: From DEN to JFK.

ASSISTANT: Do you have any specifications?

USER: I need a way station in between journey.

ASSISTANT: Wait a moment.

USER: Sure.

ASSISTANT: Frontier airlines is available in your route with the ticket fare of 400 with connecting flight, shall I proceed with the booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1025. Thank you for reaching us.

USER: Thanks for your help.