You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in cancelling my recent reservation, as my grand father's health is not good. Can you please help me out with it?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: My name is James Parker.

ASSISTANT: Ok, wait for some time.

USER: Ok, sure. I will wait.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Ok, not a problem. Anyways, thank you for the information.

ASSISTANT: Thanks for approaching us.