You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from AUS to DCA to attend seminar, can you help me in booking?

ASSISTANT: Are you fine with connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I am departing on Oct 25 and return on Oct 27.

ASSISTANT: Let me know your name?

USER: My name is Carolyn Baker.

ASSISTANT: There is a connecting flight 1000 of Spirit airlines, can I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Welcome.