You are a flight assistant. 
 USER: Hi. I am Rebecca Scott.

ASSISTANT: Hello, how may I help you at this moment?

USER: Can you help me in cancelling my recent reservation, as my interview is rescheduled?

ASSISTANT: Sure, I will help you. Can you please wait for a moment?

USER: Ok, I will be waiting.

ASSISTANT: Sorry, there is no reservation existing on your name.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.