You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in finding a best flight from AUS, as I need to attend an important meeting which is going to be held at DCA.

ASSISTANT: Sure, please provide your dates to book a ticket.

USER: My trip dates will be Apr 10th to Apr 12th.

ASSISTANT: Do you have any specifications in connections?

USER: I prefer a stopover flight.

ASSISTANT: Please provide your name.

USER: I am Melissa Walker.

ASSISTANT: Is there any other preferences required?

USER: No.

ASSISTANT: Sure, Southwest  airlines, flight number:1005, with one connection and price is 100. is that Ok for you?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked, have a great ride.

USER: Thank you.

ASSISTANT: Thank you for reaching us.