You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am Eric Anderson.

ASSISTANT: How may I be of your helping hand?

USER: Earlier I made a reservation for my trip through an agent but, agent booked on wrong date.

ASSISTANT: Ok.

USER: Can you please change my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a moment let me check the reservation list with your name and I will get back to you with the current status.

USER: Ok.

ASSISTANT: Thank you for your time. We are regret to say that, couldn't find any active reservation in your name.

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

ASSISTANT: Thank you for opting our service. Hope to serve you again.