You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Betty Harris. I want to cancel my recent reservation as my exam got cancelled. Please help me out.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation with your name in our database.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for reaching us.