You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Harris.

ASSISTANT: Shirley, how can I assist you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: Hold on for a moment. Let me check.

USER: Ok, take your time.

ASSISTANT: Sorry Harris, there are no flights reserved on your given name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.