You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please help me in booking a flight ticket to IAD from AUS in December month.

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

USER: Sure, my travelling dates are Dec 16 and Dec 18.

ASSISTANT: Are you fine with connecting flight?

USER: I need single connection flight for my journey.

ASSISTANT: Do you have any requirements?

USER: I prefer normal-cost airline.

ASSISTANT: Let me know your name?

USER: Ok, I am Benjamin White.

ASSISTANT: There is a connecting flight 1025 of Hawaiian airlines, can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for booking my flight ticket with the flight 1025.

ASSISTANT: You are welcome.