You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you now?

USER: Due to an emergency, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I will help you with that. May I know your name?

USER: Janet Lee here.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry no reservation found on your name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for visiting us.