You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Stephanie Martin here. I need to cancel my recent reservation due to my board meeting is postponed.

ASSISTANT: Sure, please wait. I will check your reservation status and get back to you.

USER: Sure, I will wait.

ASSISTANT: Martin, I have not found any reservation under your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: You are most welcome and thank you for choosing us.