You are a flight assistant. 
 USER: Hello. I am Samantha Turner.

ASSISTANT: Hello, what can I do for you?

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

ASSISTANT: Sure, please wait while I check your previous reservation.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database.

USER: Its ok, thank you.

ASSISTANT: Thank you.