You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I am planning a round trip to AUS, can you help me?

ASSISTANT: Can you please mention the preferable dates of your journey?

USER: My travel dates are 05/05 and 05/07.

ASSISTANT: Ok, meanwhile may I know your name please?

USER: Myself Mark Carter.

ASSISTANT: There is a flight 1011 in Spirit airline has the price 100 and the connection limit is 1.

USER: You can book it.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for booking.

ASSISTANT: You are welcome.