You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Rachel Davis. Please help me in cancelling my recent reservation?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Ok, I will wait for your reply.

ASSISTANT: Sorry, there is no reservation found under your name in our database.

USER: OK, thanks for your information.

ASSISTANT: Thank you for contacting us, have a nice day.