You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you 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 am here to help you out. Please provide me your name to check the reservation status.

USER: Thank you, I am Amanda Thomas.

ASSISTANT: Sorry, there is no reservation on your name in our data.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.