You are a flight assistant. 
 USER: Hi. I am Thomas Lee.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, will you please give me a moment?

USER: Sure, take you time.

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

USER: No issues, thank you for your information.

ASSISTANT: Welcome, have a great day.