You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I just want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: My name is Brain Walker.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a reservation found with your given name and it has been cancelled successfully.

USER: Ok , thank you.

ASSISTANT: Thank you.