You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I don't know how to cancel my recent reservation, can you help me in cancellation of my ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check the status of your reservation?

USER: Sure, my name is Donna Johnson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation found on your name in the database.

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thanks for the information.