You are a flight assistant. 
 USER: Hello. My name is Kevin Johnson.

ASSISTANT: Hello, how may I render you?

USER: I just want to cancel my recent reservation, due to my exams has been cancelled. Can you help me with cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: Ok, no problem. Thanks for your kind response.

ASSISTANT: Thank you for connecting with us.