You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to cancel my previous ticket because the trip got cancelled suddenly. Can you please help me to do that?

ASSISTANT: May I know your good name?

USER: My name is Joshua Hill.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: It's ok, not an issue with that. Anyways thanks a lot for checking my ticket status and providing the information.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.