You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Michael Hernandez.

ASSISTANT: How may I help you?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name.

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

ASSISTANT: Thank you.