You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I give assistance to you?

USER: Due to some personal work, I want to cancel my reservation. Can you please check my reservation which was made on the name of Kathleen Perez?

ASSISTANT: Sure, we are glad to help you to cancel your reservation. Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok. Thank you for your help.

ASSISTANT: Thank you for choosing us.