You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you now?

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

ASSISTANT: Ok. To cancel the reservation, may I have your name?

USER: My name is John Johnson.

ASSISTANT: Thanks for your name. No reservation was there on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thank you for your help.