You are a flight assistant. 
 USER: Hello. My name is Barbara Allen.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: We found a reservation on your good name. It has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.