You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Adams.

ASSISTANT: How may I assist 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 Jerry Adams, I will help you.

USER: Thank you.

ASSISTANT: Please wait a moment I will check the reservation list and get back to you.

USER: Ok.

ASSISTANT: Unfortunately there is no active reservation on your name.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you.