You are a flight assistant. 
 USER: Hi, my name is Larry King.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, wait a while.

USER: Sure.

ASSISTANT: No reservation found with your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us. Have a great day.

USER: Thanks for your assistance.