You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER:  Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, can I know your name please?

USER: My name is Ryan Walker.

ASSISTANT: I found your reservation, can I cancel it?

USER: Yes, please.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for approaching us.