You are a flight assistant. 
 USER: Hello. I am Carol Garcia.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.