You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: My name is Emily Jackson.

ASSISTANT: How can I amend you?

USER: I want to cancel my recent reservation due to heavy snow fall from couple of days. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say you that there was no active reservation under your name.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.