You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to change my reservation as I have done for a wrong date unknowingly.

ASSISTANT: Sure, please provide me your name to check the status.

USER: Patricia Moore is my name.

ASSISTANT: There is no reservation found with your details, Moore.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.