You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Adams.

ASSISTANT: How can I assist you?

USER: I need a direct flight ticket on the route from Oakland, OAK to Las Vegas, LAS?

ASSISTANT: Sure, may I know your travel dates please?

USER: My planned dates for this trip are from 12/01 to 12/03.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, have a safe journey. Shall I book the ticket?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1009, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.