You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Due to ill health, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I will help you on that.

USER: Thank you.

ASSISTANT: Please mention the name for checking the reservation.

USER: Sure, myself Christopher Robinson.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found under your name.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Welcome, have a great day.