You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I help you today?

USER: Owing to an emergency, I would like to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, can I have your name please?

USER: My name is Timothy Gonzalez.

ASSISTANT: Sorry to say that, no reservation found on your name, I think your previous reservation is not confirmed before.

USER: I think so. Anyways, thank you for the information.

ASSISTANT: Do you want any other help?

USER: No, thank you.

ASSISTANT: Ok, thank you for reaching us. Have a nice day.