You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, my name is Paul Harris.

ASSISTANT: There is no reservation found under your name.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.