You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Wright.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure, I'll help you in that. Please be on hold.

USER: Ok.

ASSISTANT: Wright, there is no reservation found active under your name to do cancellation.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.