You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to add some adjustments to my recent reservation, can you please help me to change it?

ASSISTANT: Sure, can I know your name please?

USER: I am Kevin Phillips.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.