You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am planning to celebrate my birthday with my friends at Washington, DC-IAD. Can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 11/29 to 12/01.

ASSISTANT: Can you please share your airport codes?

USER: My source airport is Austin, TX-AUS.

ASSISTANT: May I know your good name?

USER: My name is Nicholas Taylor.

ASSISTANT: Can you please provide your price and connection limit?

USER: My price limit is 1000. I need single connection in between my journey.

ASSISTANT: Thanks for providing information. We found an airline: Frontier, flight number: 1007 with one connection and price is 200. Shall I proceed to booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for booking me a ticket.

ASSISTANT: Thanks for connecting with us.