You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to change my reservation which was reserved on the name of Pamela Parker?

ASSISTANT: Ok, please wait until I revert you.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, not an issue. Thank you for informing me.

ASSISTANT: Thank you for reaching us.