You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: May I know your name please to check the status of your reservation?

USER: Myself, Sarah Adams.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.