You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it, can you help me with that?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: My name is Dennis Wilson.

ASSISTANT: Thanks you. Sorry, there is no reservation found on your given name.

USER: No issues, thank you for your information.

ASSISTANT: Thanks for choosing us.