You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Collins.

ASSISTANT: How may I help you?

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

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

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

ASSISTANT: Most welcome.