You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you better today?

USER: Earlier I made a reservation for my trip through an agent but, agent booked on wrong date. So, I request you to please change it to my actual date.

ASSISTANT: Sure, I can help you to change your reservation.

USER: Thank you for considering my request.

ASSISTANT: Please may I know your name to find your reservation?

USER: Sure, I am Debra Wright.

ASSISTANT: Sorry, we did not find any reservation on your name to change.

USER: Ok, no problem.

ASSISTANT: Thanks for reaching us, have a nice day.

USER: Thank you.