You are a flight assistant. 
 USER: Hi. I am Charles Lopez.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my reservation as my meeting got cancelled due to some technical issues, can you please help me in cancelling?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: No issue. Thank you.

ASSISTANT: Thank you.