You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I aid you today?

USER: I am Stephanie Martinez, I want to cancel my reservation. Can you help me?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is no reservation found with your provided name in our data.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for opting us.