You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may 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, we are here to help you.

USER: Thank you.

ASSISTANT: Can I have your name to check your details?

USER: Please check on the name of Andrew Robinson.

ASSISTANT: Please wait a moment, I will check and revert to you with the current status.

USER: Ok, I will wait.

ASSISTANT: Andrew Robinson, we have gone through our reservation list but could not find any existing reservation on your name to do modification.

USER: Ok, no problem. Thank you so much for your information.

ASSISTANT: Thank you for reaching us.