You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Jessica Wilson. I would like to change my reservation, could you help me out?

ASSISTANT: Sure, take your time.

USER: Ok.

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my preferable dates are from 07/26 to 07/28.

ASSISTANT: Can I know your airport codes please?

USER: My airport codes are from SEA to JFK.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for opting us.