You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Myself Catherine King, I would like to change my current reservation.

ASSISTANT: Ok, please tell me your name. Ok, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting. There is no flight found by your name Catherine King.

USER: Not an issue, thank you for assisting us.

ASSISTANT: Thank you for choosing our services, have a nice day.