You are a flight assistant. 
 USER: Hi. I am Dorothy Hernandez.

ASSISTANT: Hello, how can I help you?

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, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for reaching us.