You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Michelle Carter here. Due to sudden change in planned location of journey, I would like to change my reservation. Can you please help me out with changing of my reservation?

ASSISTANT: Sure, I am glad to help you. Please wait a moment I will check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry to say, no reservation found on your name in my database.

USER: Oh! I think the ticket was not booked properly while I am booking.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for the information.