You are a flight assistant. 
 USER: Hello. My name is Larry Parker.

ASSISTANT: Hello, how can I assist you for the day?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: We found a reservation on your name. Shall I proceed to cancel?

USER: Ok, please cancel my reservation.

ASSISTANT: Your, reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.