You are a flight assistant. 
 USER: Hello, I am Kenneth Jones. Do you deal in flight reservations?

ASSISTANT: Hello, welcome to Friend's flight booking agency. Yes, we will deal flight booking reservation. How may I assist you?

USER: Last week I got my flight booked. But in a hurry I gave you the wrong destination point.

ASSISTANT: Ok fine.

USER: So, could you please change my reservation?

ASSISTANT: Sure, please wait for a moment to check the reservation details.

USER: Ok.

ASSISTANT: Sorry Jones, I did not found any reservation showing active in our database for updating your reservation.

USER: Ok, it is not a problem. Thanks for your information.

ASSISTANT: Thanks for contacting us, have a great day.