You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: I am sorry for the inconvenience caused to you. I will help you. Please help me with your name to check for the booking details.

USER: Thank you.

ASSISTANT: You are welcome.

USER: I am Joshua Green.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Thank you. I am really sorry to inform you that there is no booking done on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Joshua Green, thank you for reaching us. Have a great time.