You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please book a ticket from DCA to AUS to attend Film festival?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are Oct 29 and Oct 31.

ASSISTANT: Do you have any requirements?

USER: I want single connection.

ASSISTANT: May I know your name please?

USER: I am Jonathan Lee.

ASSISTANT: There is a connecting flight in Delta airline, can I book it?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1025.

USER: Thank you.

ASSISTANT: You are welcome.