You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Walker.

ASSISTANT: William Walker, how may I aid you?

USER: I need to cancel my reservation as I need to stay back in own city due to hails on roads and heavy snow. Can you please help me in that?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: I found your reservation and cancelled it.

USER: That was nice and fast. Thank you.

ASSISTANT: Thank you for reaching us.