You are a flight assistant. 
 USER: Hello. Anthony Garcia here.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no active reservation on your name to cancel.

USER: Oh! I think the ticket was cancelled by my cousin. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.