You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, we are glad to help you. Can you please help me with your good name?

USER: My name is Jack Harris.

ASSISTANT: We found a reservation on your name and it has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.