You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Angela Lewis. I want to book a flight from LAS to LAS. Could you help me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My preferable dates are from 12/25 to 12/27.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok.

ASSISTANT: Ok, there is a flight 1017 in AA airline matching your details with price 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me.

ASSISTANT: You are welcome.