You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my ticket because I have an important work. Can you please help me to cancel the ticket?

ASSISTANT:  May I know you name?

USER: My name is Samantha Gonzalez.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: It's ok, not an issue. Thank you for checking my ticket status.

ASSISTANT: Thank you for reaching us.