You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to go Las Vegas to celebrate my father birthday. Can you do the reservation?

ASSISTANT: Sure, I will help you.

USER: I need a direct flight.

ASSISTANT: Please share me your travelling details?

USER: Journey dates are 11/17 and 11/19.

ASSISTANT: Do you have any price limit?

USER: Yes, Maximum 500.

ASSISTANT: Kindly mention your airport codes?

USER: Airport codes are PHL-LAS.

ASSISTANT: To proceed further, May I know your name please?

USER: I am Anna Robinson.

ASSISTANT: There is a flight with the price of 100, flight number is 1005 and it is a direct flight. Shall I proceed with the booking?

USER: Go ahead.

ASSISTANT: Your booking has been confirmed with Hawaiian airline.

USER: Thank you, You have done a nice job.

ASSISTANT: Thanks for choosing us, have a great day.