You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Matthew Gonzalez. Owing to an emergency, I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found your reservation and it has been cancelled.

USER: Thank you.

ASSISTANT: Have a good day.