You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joshua Brown.

ASSISTANT:  How can I help you?

USER: Due to health issues I would like to cancel my meeting.So I would like to cancel my recent reservation. Could you please help me with cancellation?

ASSISTANT: Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT:  Thank you for availing us.