You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My interview has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, I will help you. Please share me your name to check your previous reservation.

USER: William Parker here.

ASSISTANT: Ok, please share me your travelling airport codes.

USER: My genesis and terminus airport codes are ATL and SFO.

ASSISTANT: Ok, may I know your travelling dates?

USER: My itinerary dates are Feb 4 and 6.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Here, I found a flight for you with single connection and class is economy.

USER: Please book my ticket.

ASSISTANT: Your ticket is booked with flight number 1001 and airline is JetBlue.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe flight.