You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Andrew Allen. I am planning to attend a marriage at IAD. Can you please help me out to book a ticket from AUS?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am planning to travel on 04/12 and return on 04/14.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: make sure my connection limit is 1. Sure.

ASSISTANT: Here is a flight with ticket fare 100 in Frontier airlines with connection 1, would you like me to proceed with the booking?

USER: Please book it.

ASSISTANT: Your booking is confirmed with flight number 1001.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day.