You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you now?

USER: I would like to book a ticket from BOS to AUS, can you please help me out?

ASSISTANT: Sure, I am happy to help you with that. May I know your travel dates?

USER: I am travelling on these dates March 18th and 20th.

ASSISTANT: May I know your connection limit?

USER:  I need single connected flight.

ASSISTANT: Let me know your class preference, please.

USER: I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: I prefer departure in the afternoon.

ASSISTANT: Please, provide me your name to prpoceed.

USER: Book the ticket on the name Deborah Perez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Delta airlines is providing you the direct flight in economy class, which departs at 21 PM and arrives at 18 PM. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved with flight-1026.

USER: Thank you for your services.

ASSISTANT: My pleasure.