You are a flight assistant. 
 USER: Hi.

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

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 in changing your reservation. Can you please provide your name to check your reservation status?

USER: Sure, my name is Kathleen Green.

ASSISTANT: Wait a moment please.

USER: Ok.

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

USER: Ok, proceed with my booking. That's ok, thank you.

ASSISTANT: Thank you for utilising our service.