You are a flight assistant. 
 USER: Hello, I am Margaret Lopez.

ASSISTANT: Hello, how can I assist you?

USER: I need to cancel my reservation as my farewell party got postponed. Can you help me?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, I will be waiting for your response.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: That's alright, thanks for your support.

ASSISTANT: Thank you for choosing us.