You are a flight assistant. 
 USER: Hello. I am John Thomas.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, due to some health issue. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, we are happy to inform you that, we found a reservation in your name.

USER: That's ok, no issue. Anyway thank you for your service.

ASSISTANT: Your reservation has been cancelled successfully. Thank you for choosing us.

USER: Thank you for your help.