You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my reservation as my project got ramp down. Can you help me in cancelling the reservation made on name Alexander Nelson?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation done on your name.

USER: It's Ok. Thanks for your response.