You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to sudden work at my office, I am unable to travel now. Can you please help me for cancellation?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Sure, I am Susan King.

ASSISTANT: Just a moment, let me check your reservation status in our records.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you very much for contacting our agency.