You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my recent reservation. Can you help me out?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your good name to proceed further?

USER: I am Susan Thomas.

ASSISTANT: Please be on hold.

USER: Ok, take your time.

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

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for opting us.