You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to change my reservation because I have done that reservation with wrong destination location. Can you please help me to change my reservation?

ASSISTANT: Sure, may I know your name please to check the status?

USER: I am Deborah Mitchell.

ASSISTANT: There is no reservation found with your details, Deborah.

USER: Ok, fine. Anyway thank you for the information.

ASSISTANT: Thank you for choosing us.