You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I am Virginia Robinson and I have to change my flight ticket reservation that I am unable to travel, can you help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Sorry Robinson, there is no active reservations under your name to change.

USER: Ok, that's fine, thank you for your great service and information.

ASSISTANT: It's my pleasure, thank you for reaching out here.