You are a flight assistant. 
 USER: Hello, I am Rebecca Phillips.

ASSISTANT: Hello, how may I serve you today?

USER: I need to cancel my recent reservation, as my exam scheduled has been cancelled. Could you help me in cancelling?

ASSISTANT: Sure, we are here to help you. Please hold a moment.

USER: Ok.

ASSISTANT: Thanks for your valuable time, sorry, no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a great day ahead.

USER: Thank you for your quick response.