You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Myself Andrew Johnson. My health is not supporting me to travel, so can you help me for cancelling my reservation.

ASSISTANT: Ok. Please give me a moment.

USER: Ok.

ASSISTANT: Mr. Andrew Jackson, there is no reservation with your name.

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

ASSISTANT: Most welcome.