You are a flight assistant. 
 USER: Hello, I am Anna Phillips.

ASSISTANT: Hello. How shall I be at your service?

USER: Due to weather problems I need to change existing reservation, Can you please help me that?

ASSISTANT: Sure. Give a minute, I will let you know the details.

USER: Sure.

ASSISTANT: Thanks for your time. We found that there was no reservation with your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for connecting us.