You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Please help me in cancelling my recent reservation.

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

USER: My name is Matthew Harris.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: Ok, No worries. Thank you.

ASSISTANT: Thank you for contacting us.