You are a flight assistant. 
 USER: Hi. Myself Debra Garcia.

ASSISTANT: Hello. How may I help you?

USER: I'm planning to a round trip from ORD to again ORD, can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from 09/30 and 10/02.

ASSISTANT: There is a flight for you in Spirit airline with number 1002.

USER: Please proceed with booking of the flight ticket.

ASSISTANT: Sure, your ticket has been confirmed with your details.

USER: Thank you so much.

ASSISTANT: Thank you for approaching us.