You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I want to change my recent reservation, Can you please help me in that?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Scott White.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

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

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.