You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I had done flight ticket booking last week to spend my holiday vacation with my family. But, due to some weather conditions I would like to change my booking which I have done. Can you help me to change reservation?

ASSISTANT: Ok, please provide your name.

USER: I am William Turner.

ASSISTANT: As per your request there is no reservation on your name, William. Do you want to know anything else.

USER: No thanks. Thanks for your information.

ASSISTANT: Thanks for reaching us.