You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Richard Clark, can you please help me to cancel my reservation as my exams got cancelled?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Not an issue, anyways thank you for the information.

ASSISTANT: Thank you for approaching us.