You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Brandon Lee.

ASSISTANT: How can I assist you today?

USER: I want to cancel my reservation, can you help me with that?

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

USER: Ok.

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

USER: Ok, no issues. Thank you for helping me.

ASSISTANT: Thanks for reaching us, have a great day.