You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to change my recent ticket reservation due to some issues, can you please change my ticket booking?

ASSISTANT: Sure, please help me with your name to proceed.

USER: My name is Anna Scott.

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

USER: Ok, that's fine, no problem with that one.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Most welcome.