You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I am George Johnson. Can you help me in flight ticket cancellation that I am unable to travel on those days?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure.

ASSISTANT: George, no reservation has been found on your name in our database.

USER: No problem with that one, thank you for your information in very quick manner.

ASSISTANT: Thank you for choosing us.

USER: Welcome.