You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my reservation as I need to stay back in own city due to my house has collapsed by Floods. Can you help me out?

ASSISTANT: Sure, we are glad to serve you. Can I have your name to proceed further?

USER: Sure, I made a reservation on the name of Kimberly Davis.

ASSISTANT: Ok, please hold a moment, let me check your reservation with us.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no reservation found with provided name in our database.

USER: No problem, thanks for your prompt response.

ASSISTANT: Thank you for connecting with us. Have a pleasant day.