You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best may I serve you today?

USER: Can you help me to book a flight ticket from EWR to AUS?

ASSISTANT: Sure, please share me your trip dates.

USER: My travel dates are 20 to 22 of Sep.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Jessica Rodriguez.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I prefer to depart in the morning.

ASSISTANT: There is a connecting flight 1003 in Frontier airlines at the price of 500 with business class. Can I proceed?

USER: Please proceed to booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.