You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Richard Jones here.

ASSISTANT: Yes, Richard.

USER: I want to cancel my recent reservation, due to some health issue. Can you please help me?

ASSISTANT: Sure Richard, I gleeful to help you.

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Let me check the reservation details.

USER: Take your own time.

ASSISTANT: Sorry Richard, no reservation found on your name in our airline.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.