You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I will help you on that. Will you please mention the name for checking the reservation?

USER: Sure, my name is Matthew Hall.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Welcome, have a great day.