You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Can you please help me in changing my flight ticket reservation done on the name Elizabeth Wilson.

ASSISTANT: Sure, I will help you in changing your reservation.

USER: Thank you for accepting.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, there are no reservations found in our database.

USER: Not an issue with that one, I can book a new ticket that I think it is not yet confirmed my side while I was booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.