You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone?

ASSISTANT: Yes, please provide your name for checking purpose.

USER: My name is Rebecca Lopez.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT:  Thank you for waiting, I have checked in reservation list to cancel your ticket but could not find any reservation with your name.

USER: No problem, thank you.

ASSISTANT: It's my pleasure and thank you for consulting our agency.