You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide me your name?

USER: My name is Deborah Adams.

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

USER: No problem, thank you.

ASSISTANT: Thank you so much for choosing us.