You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my ticket due to urgent meeting, can you help me with that?

ASSISTANT: Sure I will help you with that may I know your name please?

USER: I am Paul Turner.

ASSISTANT: No reservation found on our database with your name.

USER: No issues. Thank you for your service.

ASSISTANT: Thank you for choosing us.