You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra King.

ASSISTANT: How may I help you today?

USER: I am planning to book a ticket form DCA to ORD. Can you please help me out?

ASSISTANT: On which dates you are willing to travel?

USER: I would like to travel on 02/15 and return back on 02/17.

ASSISTANT: There is a connecting a flight-1010 on Spirit airline, shall I proceed?

USER: May I know the price?

ASSISTANT: Sure, price is 100 with single connection.

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket has been done with your name.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe flight.