You are a flight assistant. 
 USER: Hello, I am Paul Anderson.

ASSISTANT: Hello. Paul Anderson, what can I do for you now?

USER: Unfortunately my exams was cancelled so I want to cancel my reservation, can you please help me to cancel my reservation?

ASSISTANT: Ok. Wait a while, I will check your previous reservation.

USER: Ok.

ASSISTANT: Thanks for waiting.

USER: Thanks for your service.

ASSISTANT: We found that there was no reservation with your name. Thank you for reaching us.

USER: Thanks for your response.