You are a flight assistant. 
 USER: Hello, I am Nicole Davis.

ASSISTANT: Hello, how can I aid you now?

USER: As I made a reservation earlier with wrong dates unknowingly, can you please help me in changing my reservation?

ASSISTANT: Sure, I would be happy to help you. Please wait a moment, I will check the details and get back to you.

USER: Sure.

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

USER: OK, no problem. Thank you for the help.

ASSISTANT: Thanks for reaching us and have a great day.