You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recently done reservation, because of my interview date has been postponed. Can you please help me in this situation?

ASSISTANT: Sure, give me a moment.

USER: Take your own time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: No problem, I'm Elizabeth Young here. Thank you for your information.

ASSISTANT: You are welcome.