You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am William Carter and I want to book a flight ticket.

ASSISTANT: Please provide your travelling details.

USER: My travelling dates are from 08/17 to 08/19.

ASSISTANT: May I know your departure location?

USER: My destination is CA-OAK. My boarding point is TX-AUS.

ASSISTANT: Flight ticket with airline: UA, flight number 1028, price 100, connection: 1 can be availed.

USER: You can proceed with this airline.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks. Have a great day ahead!.