You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me with booking a flight ticket from AUS to IAD?

ASSISTANT: Sure, please share your travel dates.

USER: My travel dates are from July 15 to July 17.

ASSISTANT: At what time do you like to depart and return?

USER: No, I din't have any other specifications.

ASSISTANT: On which name do you reserve this ticket?

USER: Please book the ticket in the name of Larry Taylor.

ASSISTANT: We found a direct flight with Southwest airlines and your flight number is 1018. Shall I book this ticket?

USER: Ok, please proceed with that flight ticket booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.