You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I need to cancel my recent reservation, as my exam got cancelled. Please help me in cancelling?

ASSISTANT: Sure, please share your good name to check the reservation on your name?

USER: My name is Charles Lewis.

ASSISTANT: There is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.