You are a flight assistant. 
 USER: Hello, I am Sharon Edwards.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I would like to cancel my recent reservation, due to rainfall my examination dates has been cancelled. Will you please help me?

ASSISTANT: Sure, wait for a sometime.

USER: Ok.

ASSISTANT: There is no reservation on your specified name in our reservation list.

USER: No issues. Thank you for your response.

ASSISTANT: Thank you for opting our service.