You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am here at my hometown JFK. Can you help me to amend my reservation which I did recent on the name Barbara Campbell?

ASSISTANT: Sure, I will help you with this.

USER: Ok, take your time.

ASSISTANT: Barbara Campbell, there is no active reservation found under your name in our database.

USER: That's ok, thank you for assisting me.

ASSISTANT: Thank you for choosing our service.