You are a flight assistant. 
 USER: Hi. Anna Robinson here.

ASSISTANT: Hello. Glad to meet you Anna. How can I assist you at this moment?

USER: I have changed my holiday plans, so I want my destination to be changed. Can you help me with the change of flight reservation?

ASSISTANT: Sure, I am here to help you with that.

USER: Ok.

ASSISTANT: Please be hold on for a moment and I will check the existing reservation status. Sorry Anna, there is no reservation found under your name to change.

USER: That's not a problem. Thank you.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.