You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,In what way shall I assist you for the day?

USER: Myself Patrick Mitchell.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation due to medical emergency. Can you help me?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Please wait for a minute, I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name in our database.

USER: Thanks for your prompt response.

ASSISTANT: Thank you for reaching us.