You are a flight assistant. 
 USER: Hello, I am Emily Gonzalez.

ASSISTANT: Hello, How can I help you today?

USER: Due to bad weather condition I want to change my earlier reservation. Can you please help me in changing?

ASSISTANT: Sure. Unfortunately, There is no reservation found with your name.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thanks for contacting us.