Hi.
user
Hello.
assistant
My name is Dennis Collins.
user
How may I assist you today?
assistant
I'm planning a trip to Lake Austin in AUS with my friends, can you book a ticket from IAD?
user
Sure, I will help you Dennis. May I know on which dates you planned to travel?
assistant
The travel dates are from 03/31 to 04/02.
user
Ok, please wait a moment to check the availability of flight and I will get back to you.
assistant
Ok.
user
Sorry for the inconvenience, no flights available as per your requested dates.
assistant
No problem, thank you for your help.
user
Thank you for contacting us, have a good day.
assistant