You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to cancel the reservation which I had done a week ago?

ASSISTANT: Sure, can you please help me with your name?

USER: Ok, please check for the name Stephanie Carter.

ASSISTANT: Thank you. Please wait for a while, let me check your reservation status in our database.

USER: Ok, please take your own time.

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

USER: That is ok, thank you for assisting me.

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