You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what assistance do you want from us?

USER: I want to cancel my recent reservation due to some personal problem's. Can you help me?

ASSISTANT: Sure, I am here to help you in cancelling.

USER: Sure, I am Steven Robinson here.

ASSISTANT: Can you please let me know your name for checking the past reservation? Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in the database to cancel.

USER: Ok, no problem.

ASSISTANT: Thank you for connecting with us.

USER: Anyway's thank you for your information.

ASSISTANT: You are welcome.