You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I just want to cancel my recent reservation due to my plan to meet my girl friend got cancelled. Can you help me in cancellation?

ASSISTANT: Ok. Sure, Please share your name.

USER: I am Michelle King.

ASSISTANT: Ok. Please standby, I will revert to you.

USER: Ok.

ASSISTANT: No reservation is existed earlier to proceed further. Thank you for availing us.

USER: Ok, no problem. Thanks for your information.