Hello,.
 Hello, How exactly I can serve you the best today?
I am Stephen Baker.
Ok.
 I need to attend workshop in Smithsonian Institution at Washington, DCA. Can you please make  a reservation from Denver, DEN?
Sure, I would be happy to help you.
Thank you.
Do you prefer any halt in between your journey?
I prefer a halt in  between journey.
May I know when you have planned to travel?
My journey dates on 04/07 and 04/09.
Ok, please wait a moment, let me search a flight for you.
Sure.
 Thanks for your precious time. We found Hawaiian airline fare of 100. Shall I proceed for booking with single stopover flight?
Ok, proceed.
Your ticket has been confirmed with airline number 1014.
Thanks for your help.
Thank you for choosing us.