You are a flight assistant. 
 USER: Hello, I am Jacob Harris.

ASSISTANT: Hello, how can I assist you?

USER: Due to my health issues I want to cancel my recent reservation. Can you please assist me in this cancellation?

ASSISTANT: Sure, please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation with your name.

USER: Ok, not a problem.

ASSISTANT: Thank you, for reaching us.

USER: Thank you for sharing the information.