You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Rebecca Gonzalez. Due to Earthquake disaster happened in the place where I planned to visit, I want to alter my reservation, can you please help me?

ASSISTANT: Sure. Sorry, no reservation is matching with your name.

USER: That's not a problem.

ASSISTANT: Thank you for connecting with us.

USER: Thank you for your help.

ASSISTANT: Welcome.