You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I need to cancel my reservation due to my planned event got cancelled so please help me with that.

ASSISTANT: Sure, may I know your name?

USER: Sure, myself Elizabeth Phillips.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure, take your time.

ASSISTANT: Sorry Phillips, no reservation is found by your name.

USER: Oh! It might be cancelled already.

ASSISTANT: Thank you for choosing us.

USER: Anyway, thank you for your time.