You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Larry Edwards. Can you help me cancelling my recent reservation, because I am unable to travel right now due to health issues?

ASSISTANT: Sure, please wait a moment I will revert you back with status of reservation.

USER: Ok, I will wait for your reply.

ASSISTANT: There is no reservation found on your name Larry Edwards.

USER: Oh! It's ok, no problem. Thank you for your services.

ASSISTANT: Ok, thanks for consulting us.