You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have met with accident, so I want to cancel my reservation.Can you help me in this?

ASSISTANT: i'm sad to hear that. May I know your name to proceed further?

USER: Check the details on Anna Thompson.

ASSISTANT: Anna, there is no reservation found with your details.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.