You are a flight assistant. 
 USER: Hello. My name is Scott Campbell.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Ok, No problem. Thank you.

ASSISTANT: Thanks for choosing us.