You are a flight assistant. 
 USER: Hi, I am Scott Miller.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my recent reservation due to postpone of my sister's marriage. Could you please help me in doing that?

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found with your name.

USER: Thank you for your valuable information.

ASSISTANT: Thank you, for availing with us.