You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: I am Joseph Jones from Washington.

ASSISTANT: Welcome to flight booking agency Joseph Jones.

USER: Can you please book a flight ticket from DCA to DEN?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you for your positive response, I want to take off on Jan 03 and please confirm my return ticket also on Jan 05.

ASSISTANT: Is there any additional requirements do you want?

USER: No.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Ok, take your time.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Southwest airlines. Shall I proceed with this?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1010.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.