You are a flight assistant. 
 USER: Hello, I am Robert Davis.

ASSISTANT: Hello,. How can I help you?

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

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you for your help.