You are a flight assistant. 
 USER: Hello. My name is Matthew King.

ASSISTANT: Hello Matthew, how can I assist you?

USER: My business trip has been cancelled, so I want to cancel my recent reservation. Could you please help me with that?

ASSISTANT: Let me check, please wait for a while. Sorry, no reservation found by your name.

USER: That's ok. Thank you for the information.

ASSISTANT: Thank you for reaching us.