You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Richard Mitchell. I would like to cancel my recent reservation, due to some health issues. Could you please help me?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: That's ok, no problem with that one. I will choose another source to travel.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your information.