You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in changing my existing reservation, as my exam got postponed.

ASSISTANT: Sure, may I know your good name?

USER: Myself, Janet Rodriguez.

ASSISTANT: We found a reservation on your good name. Please share me your airport codes.

USER: My airport codes are JFK to BOS.

ASSISTANT: May I know your planned travel dates?

USER: My new trip dates are April 07-09.

ASSISTANT: Do you have any other specifications?

USER: I prefer to fly in connected flight. And I want to depart in the afternoon.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: Frontier, flight number: 1021 and price is 100 with one connection.

USER: Ok, please go ahead.

ASSISTANT: May I know your good name?

USER: Myself, Janet Rodriguez.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.