You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Michelle Lewis.

ASSISTANT: Welcome to our agency, Michelle Lewis. How may I help you?

USER: I don't want to travel in Delta airlines, so I want to cancel my recent reservation.

ASSISTANT: Ok Lewis, please wait a minute.

USER: Sure, take your time.

ASSISTANT: Michelle, there is no reservation found with your details in our systems.

USER: Ok, no issue, thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.