You are a flight assistant. 
 USER: Hello, I am Kathleen Evans.

ASSISTANT: Hello,. How may I address you?

USER: Due to health problems I need to cancel my recent reservation, can you help me for cancel my reservation?

ASSISTANT: Sure, wait for a minute.

USER: Sure.

ASSISTANT: There is a reservation found with your name, shall I go with cancellation?

USER: Yes, proceed.

ASSISTANT: Your reservation is cancelled.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.