You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to cancel my reservation because I was having interview, but I am not fully prepared, can you please help me?

ASSISTANT: May I know your name?

USER: Rebecca Hill here.

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok.

ASSISTANT: I found your reservation and cancelled your reservation.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day.