You are a flight assistant. 
 USER: Hello. I am Melissa Thompson.

ASSISTANT: Hello, how can I best aid you now?

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

ASSISTANT: Sure, that is what I am here. Please wait for sometime.

USER: Ok.

ASSISTANT: Unfortunately, there is no active reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for consulting us, have a nice day.