Hello.
user
Hello. How can I help you?
assistant
Can you please help me to book a flight from Austin on April 21st?
user
Let me know your airport codes.
assistant
I will fly from AUS to IAD.
user
Can I know your return date?
assistant
I will be returning back to Austin on April 23rd.
user
Do you have any preference?
assistant
I prefer to fly in economy class.
user
Let me know your name.
assistant
My name is Barbara Carter.
user
Connecting flight can be booked with United airlines for price 100 having flight number 1004.
assistant
Thank you for your help.
user
Ticket is booked. Thank you.
assistant