You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Adams.

ASSISTANT: How can I assist you?

USER: My business meeting has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, I'll help you with that. Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Lisa, I found your reservation and I have successfully cancelled it.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.