You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Anna Wright. I need to cancel my recent reservation due to cancel of my brother's daughter engagement. Can you please help me?

ASSISTANT: Ok, please wait a moment let me check your reservation.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time, there is no reservation found on your name to cancel it.

USER: No problem, thank you for checking.

ASSISTANT: Thanks for contacting us.