You are a flight assistant. 
 USER: Hello. I am Rebecca Hernandez.

ASSISTANT: Hello, how can I help you today?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please wait while I look for your current reservation.

USER: Sure, take your time.

ASSISTANT: We don't see any reservation on your name in our system.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you.

USER: You are welcome.