You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Matthew Turner.

ASSISTANT: How may I be of your assistance?

USER: I need to cancel my reservation, can you please help me in cancellation?

ASSISTANT: Please wait a moment I will check the reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting, we did not found any reservation by this name.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thank you.