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