You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: I am Deborah Martin. I want to book a flight ticket from EWR to DEN. Could you help me?

ASSISTANT: Ok, I can help you better.

USER: Thank you.

ASSISTANT: May I know your comfortable journey dates?

USER: My preferable dates are from 02/11 to 02/13.

ASSISTANT: Flight number 1015 in Spirit airline is available for you with an airfare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for availing our services.