Hello. I am Frank Roberts.
user
Hello, how may I guide you?
assistant
I planned to attend for a wedding in AUS, can you please help me to book a flight ticket from IAD?
user
Sure, can I know your preferable dates?
assistant
I prefer to travel on 07/06 and 07/08.
user
I am sorry, there are no flights available.
assistant
Ok, not an issue. Thank you for your infomation.
user
Thank you, have a good day.
assistant