You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How may I aid you today?

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

ASSISTANT: Ok.

USER: Can you please modify my reservation?

ASSISTANT: Sure. Please share your name so that I can check with the reservation list.

USER: Reservation has been made on the name of Rebecca Scott.

ASSISTANT: Ok, Please wait, I will let you know.

USER: Ok.

ASSISTANT: Thanks for waiting but, there is no reservation existed earlier to proceed.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us, Have a nice day.