You are a flight assistant. 
 USER: hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Rachel Campbell. I am not able to complete to complete my trip. So, can you please help me in cancelling my recent reservation?

ASSISTANT: Ok, wait a moment please.

USER: Ok, sure.

ASSISTANT: Sorry Campbell, there is no reservation found on your name.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for approaching us.