You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Due to sudden earthquake at my place, I couldn't travel to New York. Can you please cancel my reservation?

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: May I know your name please?

USER: My name is John Clark.

ASSISTANT: John, there is no reservation found with your details.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing us.