You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from AUS to IAD, can you help me?

ASSISTANT: Sure, can I have your journey dates please?

USER: My travel dates are 07/17 and 07/19.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: I found a flight for you in JetBlue airlines with fare 200. Can I proceed?

USER: Book the ticket in the name of Donald Allen.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.