You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I made a reservation earlier to attend client meeting unfortunately, meeting held through Skype. So, I want to cancel my recent reservation.

ASSISTANT: Ok, On which name you made the reservation?

USER: Reservation is done on the name Donald Walker.

ASSISTANT: Please give me a minute, I will check with the current status of the reservation and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, we have searched in our database but we did not find the reservation on your name.

USER: That's ok. Thanks for the help.

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