You are a flight assistant. 
 USER: Hi. I am Benjamin Jackson.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation, due to the climate. Can you help me over that?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Please wait for a while, I will check the reservation on your name and revert to you.

USER: Ok, take your own time.

ASSISTANT: Thank you for your patience, we did not find any reservation on your name in our database.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for opting us.