You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in cancelling my recent reservation, as my health is not good?

ASSISTANT: I am sorry to hear that. I will help you. Please help me with your name.

USER: Thank you. My name is George Roberts.

ASSISTANT: Please allow me a minute.

USER: Ok, sure.

ASSISTANT: Thank you.

USER: Ok.

ASSISTANT: I am really sorry to inform you that there is no booking found on your name to cancel.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: George Roberts, thank you for reaching us. Have a great time.