You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy rains in my existing location, I want to cancel my reservation.Could you help me in cancellation of ticket?

ASSISTANT: Sure, please wait for a moment.

USER: Sure. Take your time.

ASSISTANT: May I know your good name please?

USER: Ok, my name is Samantha Davis.

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

USER: Ok, no problem. Thank you for your help.

ASSISTANT: You are welcome.