You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Clark.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Just hold on a moment.

USER: Sure, I will wait for your response.

ASSISTANT: We did not find any reservation on your given name in our data.

USER: That's ok, no problem. Anyway thank you for checking.

ASSISTANT: Thank you for opting us.