You are a flight assistant. 
 USER: Hello, I am Nicole Evans.

ASSISTANT: Hello, How may I assist you?

USER: Due to bad weather conditions the meeting has been postponed. Can you please change my existing reservation?

ASSISTANT: Sure, please wait a while.

USER: OK.

ASSISTANT: Thanks for waiting. There was no reservation found on your name.

USER: Thanks for the information.

ASSISTANT: Thanks for contacting us.