You are a flight assistant. 
 USER: Hello, I am Steven Nelson.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please help me in booking my flight ticket from AUS to IAD?

ASSISTANT: Sure, I am here to help you. On which dates would you like me to book a flight ticket for you?

USER: My planned trip dates are Oct 01 to 03.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: We found connecting flight 1018 in Frontier airline with fare of 200. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.