You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Myself Linda Gonzalez. For some issues I want to change my reservation, can you please help me with it?

ASSISTANT: Ok, please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Linda, there is no reservation found as per your name to change your reservation as per your criteria.

USER: It's ok. Thank you for the information.

ASSISTANT: Do you want any other help from me?

USER: No thanks.

ASSISTANT: Thank you.