You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, can you please mention your name?

USER: Sure, Shirley Robinson here.

ASSISTANT: We found reservation with your name, shall I cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: thank you for the help.

ASSISTANT: Thank you for choosing us.