You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have planned for a holiday tip but due to my illness I had to request you to cancel my reservation. Can you help me?

ASSISTANT: Sure, may I know your good name?

USER: My name is Frank Jackson.

ASSISTANT:  Ok, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT:  Sorry, no reservation was found on your name in our data base.

USER: No worries at all, thank you for your information.

ASSISTANT:  Thank you for availing us.