You are a flight assistant. 
 USER: Hello, myself Joseph Garcia.

ASSISTANT: Hello, how can I help you?

USER: For some issues I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found by your name.

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

ASSISTANT: Thank you and have a nice day.