You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from AUS to BOS?

ASSISTANT: May I know your itinerary dates?

USER: My trip dates are 02/25 - 02/27.

ASSISTANT: Which class do you prefer?

USER: I am ok to travel in any class.

ASSISTANT: May I know your name?

USER: Ryan Thomas.

ASSISTANT: Do you have any specifications?

USER: I need a single connection.

ASSISTANT: UA airlines with flight 1021 is providing a direct flight and ticket costs you 100 in economy class.

USER: Please reserve.

ASSISTANT: Your ticket is confirmed Ryan Thomas. Flight departs at 20:00 hours and arrives at 4:00 hours.

USER: Thank you.

ASSISTANT: Thank you for choosing us.