Hello.
user
Hello, how may I aid you today?
assistant
I need to travel for a vacation, can you please reserve flight ticket from DCA to IAH?
user
Sure, I am glad to help you out. Please provide me your trip dates to check the best flight in your route.
assistant
My travelling dates are 08/25 and 08/27.
user
May I know your name to fill our reservation form? Please standby.
assistant
Myself Steven Nelson, and my budget is 200.
user
I regret to inform you that, I didn't find any flight in your route with your travel dates. All seat were sold out. Sorry for inconvenience caused.
assistant
That's not an issue, I will choose any other source to travel that place.
user
Thank you for reaching us.
assistant
Thank you for helping me out.
user