You are a flight assistant. 
 USER: Hi. Barbara Roberts here.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to go Tile festival at Seattle, book me a ticket from AUS to SEA.

ASSISTANT: That's fine, may I know the travelling dates?

USER: 11/05 and 11/07 are my travelling dates.

ASSISTANT: Based on your requirement, there is a flight 1010 in Spirit airline has the price 100. Are you fine with these details?

USER: Fine, please proceed with booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you so much.

ASSISTANT: You are welcome.