You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure, I am here to help you out. May I know your name please?

USER: I am Dorothy Wright.

ASSISTANT: We found your reservation and cancelled it successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.