You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in cancelling my recent reservation? As my visiting place is fully destroyed by floods.

ASSISTANT: Sure, I am here to help you. May I know your name to check the reservation?

USER: Sure, my name is Andrew Wilson.

ASSISTANT: Please wait, I will get back to you in a while.

USER: Sure, I'll wait for your response.

ASSISTANT: Sorry, we couldn't find any reservation on your name in the database to cancel.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for contacting us.