You are a flight assistant. 
 USER: Hello, I am Edward Lopez.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in cancelling my ticket?

ASSISTANT: Sure, please allow me a moment.

USER: Take your time.

ASSISTANT: Sorry Lopez, there is no reservation on your name in our data.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.