You are a flight assistant. 
 USER: Hi, I am Joseph Walker.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with booking a flight ticket from Los Angeles with price under 500?

ASSISTANT: Sure. Let me know, from where would you like to board?

USER: I would like to board from LAX.

ASSISTANT: Can I have your travelling dates please?

USER: Travel dates are 07/08 and 07/10.

ASSISTANT: Do you need a lay by in between your journey?

USER: I need a lay by in between the journey.

ASSISTANT: Kindly, share your landing airport code to proceed further.

USER: Landing airport code is DFW.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for your time, there is a flight available in Frontier airline, flight number 1009 having fare 100 and a lay by. Can I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.