You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, please share your name to check your reservation status.

USER: Thank you, take your time.

ASSISTANT: Please share your name.

USER: I have reserved it on the name of Betty Lewis.

ASSISTANT: We didn't find any reservation on the name of Betty Lewis.

USER: Oh! I think it might be cancelled by my cousin. Anyway, thank you for the information.

ASSISTANT: Thank you.

USER: Welcome.