You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: Please book a ticket from Oakland to Las Vegas to attend a sports event.

ASSISTANT: Sure, we are here to help you. Kindly, mention your depart date.

USER: I will depart on 06/13.

ASSISTANT: May I know your source and destination airport code?

USER: Source airport code OAK and destination airport code LAS.

ASSISTANT: Please, share your fare limit.

USER: Price limit is 5000.

ASSISTANT: Would you prefer either business class or economy class?

USER: Economy class.

ASSISTANT: Can I have your arrival date?

USER: 06/15 is arrival date.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Ok.

ASSISTANT: Thank you for your valuable time. You have a flight with airline Southwest with flight number 1010 and class is economy having a layover and price is 200. Can I reserve your seat?

USER: Please book a ticket.

ASSISTANT: May I know your good name for further process?

USER: My name is Donald Moore.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.