You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Due to some personal issues, I can not make my journey. Can you please cancel my recent reservation?

ASSISTANT: Sure, I will help you with that. May I know your good name please?

USER: My name is Alexander Davis.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Its ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.