You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dorothy King.

ASSISTANT: How may I amend 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 help me out?

ASSISTANT: Sure, I will check with reservation to proceed further with cancellation. Please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, but there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you for your kind information.