You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please check with my previous reservation and help me to cancel it due to my eye operation please?

ASSISTANT: Sure, can you share your name to check for  your reservation status?

USER: I have made a reservation on the name of Steven Green.

ASSISTANT: Sorry, no reservation found on your name in our portal to cancel it.

USER: Oh! That's very sad to hear from your side. Anyways, thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are most welcome.