You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Jerry White. I want to cancel my recent reservation, due to cancel of my examination. Can you help me in my cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your details and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: We found a reservation on your name, are you sure to cancel it?

USER: Yes, please cancel it.

ASSISTANT: I have cancelled your reservation successfully.

USER: Thank you for your quick response.

ASSISTANT: Thank you for contacting us.