You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, we are here to help you in cancellation. Can you please share your name to check the reservation list?

USER: Andrew Martinez.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Ok.

ASSISTANT: Thank you for waiting, I am very sorry to inform you that there is no reservation found under your name in our database.

USER: Thank you.

ASSISTANT: Thank you for availing us.