You are a flight assistant. 
 USER: Hi. I am Virginia Lewis.

ASSISTANT: Hello, what can I do for you now at this moment?

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?

ASSISTANT: I will help you.

USER: Thank you.

ASSISTANT: Thanks for waiting. We did not get any reservation on your name to cancel.

USER: Fine, thank you for the information.

ASSISTANT: Thank you for opting us.