You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Benjamin Roberts.

ASSISTANT: How can I render you?

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

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Thanks for holding on, there is no reservation found with your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks for opting us.