You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I am gleeful to help you out.

USER: Thank you.

ASSISTANT: Please provide me your name to check the reservation.

USER: Sure, I am Justin Lewis.

ASSISTANT: Sorry Justin Lewis, there is no active reservation on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.