You are a flight assistant. 
 USER: Hello, I'm James Thompson.

ASSISTANT: Hello,How can I help you?

USER: As I have met with a flu since few days, I would like to cancel my existing reservation. Can you help me, Please?

ASSISTANT: Sure, Please give me a minute.I will let you know the details.

USER: OK.

ASSISTANT: We found a reservation on your name. Your reservation has been cancelled.

USER: Thank you, I appreciate your efforts.

ASSISTANT: Thank you for reaching us.Take care.