You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anthony Hall.

ASSISTANT: Anthony Hall, how can I assist you for the day?

USER: I am planning to change my reservation to another destination, so can you help me to change my reservation?

ASSISTANT: Sure, I will help you with that changing.

USER: Ok.

ASSISTANT: Please hold for a moment, let me check your previous reservation status. Thank you for waiting.

USER: Ok.

ASSISTANT: Sorry to say, there is no reservation found with your name in our database.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for contacting us, have a good day.