You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I support you today?

USER: Due to sudden change in my friends wedding destination, I want change my existing reservation to the changed destination. Can you help me out in changing my reservation?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: May I know your name to check your details in our database?

USER: I am Daniel Allen.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We are happy to inform you that, we found a reservation on your name.

USER: Ok.

ASSISTANT: May I know the travelling details?

USER: I want to start my journey from LAX and return from CLT. I need a stopover in my travel.

ASSISTANT: What are your planned trip dates?

USER: 02/02 - 02/04 are my planned dates of trip.

ASSISTANT: Ok, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found JetBlue airline fare of 100.

USER: Ok.

ASSISTANT: Shall I proceed for booking with single stop over flight?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed with airline number 1012.

USER: Thank you for kind service.

ASSISTANT: Thank you for opting us. Have a safe journey!.