You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

USER: Ok, no problem.

ASSISTANT: May I know your name please.

USER: Sure, my name is Stephanie Thomas.

ASSISTANT: Thank you for connecting with us.

USER: Anyways, thank you for your service.

ASSISTANT: Most welcome.