You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Eric Lopez. As my meeting has been postponed,  can you please change my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: We found a reservation on your name.

USER: Ok.

ASSISTANT: Can you please provide me your travel details?

USER: Journey dates are 03/31 to 04/02. Airport codes are JFK to ORD.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1028. Shall I book this ticket?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.