You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Due to heavy rain, I want to change my reservation. Can you help me?

ASSISTANT: Sure, may I know your good name please?

USER: Larry Williams here.

ASSISTANT: May I know your journey dates to proceed for changing reservation?

USER: Dates are 02/08 and 02/10.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are JFK-SEA.

ASSISTANT: Do you any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: There is a flight found with Delta airline of flight number 1000 and fare is 500. Shall I proceed for booking?

USER: Please go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for contacting us and have a nice day.