You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your name?

USER: Sure, my name is Rebecca Rodriguez.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok, thank you.

ASSISTANT: Most welcome.