You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you at present?

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, we are here to help you to change your existing reservation.

USER: Thank you.

ASSISTANT: To proceed further, kindly mention your name.

USER: I am Brenda Scott.

ASSISTANT: Thanks for providing your name, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, we are glad to inform you that we found a reservation on your name.

USER: Ok.

ASSISTANT: Please share your travelling airport codes to change it.

USER: My airport codes are from Boston, MA-BOS to Houston, TX-IAH.

ASSISTANT: Ok, let me know when do you want to travel.

USER: My travel dates are from 12/22 to 12/24.

ASSISTANT: Ok, please wait for a few minutes.

USER: Ok.

ASSISTANT: Thanks for your time, there were no flights found based on your requested dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing our service.