You are a flight assistant. 
 USER: Hello. I am Kimberly Lewis.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, we will help you. Please give me a moment to check the reservation list.

USER: Ok.

ASSISTANT: Thank you for waiting, there was no reservation found on your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.