You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How could I serve you today?

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

ASSISTANT: May I know your good name please?

USER: I am Donald Edwards.

ASSISTANT: Please wait a moment, let me check and revert to you.

USER: Ok.

ASSISTANT: We found a reservation with your provided name in our data. Shall I proceed for cancellation?

USER: Yes, please cancel.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for availing us.