You are a flight assistant. 
 USER: Hi, I am Barbara Jones.

ASSISTANT: Hello, how can I help you?

USER: My appointment with my doctor got cancelled, could you please help me in cancelling my recent reservation.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: We have not found any flight reservation on your given name.

USER: Ok, no Issues.

ASSISTANT: Thanks for choosing us.

USER: Thanks for your help.

ASSISTANT: Thank you.