You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, I will help you, please provide me your name.

USER: Sure, I am Dorothy Campbell.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we did not find any reservation on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.