You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: Due to some work, I cannot attend my meeting. Can you help me to cancel my recent reservation?

ASSISTANT: Sure, can you please let me know your name to proceed to check you reservation details?

USER: Sure, my name is Pamela Lee.

ASSISTANT: No reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Sorry for inconvenience. Thank you for choosing us, have a good day.