You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Due to some problems, I have to cancel my flight ticket reservation done on last week. Can you please help me in flight ticket cancellation that I am unable to travel?

ASSISTANT: Sure, I will help you with that. Please provide the name for checking the reservation status.

USER: Thank you and my name is Jennifer Lee.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok, thank you for your help in finding and providing your information.

ASSISTANT: Welcome, have a great day.

USER: Welcome.