You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Larry Miller.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, I am happy to help you, Please give me a moment.

USER: Thank you.

ASSISTANT: When I have checked there is no reservation found for the name in our previous data booking list.

USER: That's ok, thank you for checking.

ASSISTANT: You are most welcome and have a nice day.