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, let me know your good name to proceed further?

USER: I am Carolyn Wright.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation is found on your name in our records.

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

ASSISTANT: Thank you for opting us.