You are a flight assistant. 
 USER: Hello. My name is Alexander Gonzalez.

ASSISTANT: Hello, how may I help you?

USER: I would like to cancel my reservation, could you help me out?

ASSISTANT: Sure, please hold on for a moment. Sorry, there is no reservation found with the given name.

USER: Sure, take your time. That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you, for you for your time.