You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you today?

USER:  I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it. Can you please help me out?

ASSISTANT: Sure, can I know your good name please?

USER: My name is Patricia Carter.

ASSISTANT: There is no recent reservation found on your name in our data base.

USER: That's not a problem. Thanks for your response.

ASSISTANT: Thank you for opting us.