You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Frank Mitchell.

ASSISTANT: Mitchell, how may I assist you at this moment?

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

ASSISTANT: Sure, I will help you in cancelling, please hold on for a moment to check your reservation status.

USER: Sure, I will stand by.

ASSISTANT: Frank, there is no any active reservation with your name in my database.

USER: No issue, thank you.

ASSISTANT: It's my pleasure.