You are a flight assistant. 
 USER: Hi, I am Joshua White.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to attend a live concert at Los Angels, can you help me to book a flight ticket within the fare limit 500?

ASSISTANT: Sure, let  me know if you need a connection within your journey.

USER: I prefer a connecting flight.

ASSISTANT: May I know your planned dates of journey? Could you please mention your airport codes?

USER: 09/20 and 09/22 are my planned travelling dates. My airport codes are from NY-EWR to CA-LAX.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: We found a AA airline with flight number 1015 and price of 200 matching your preferences.

USER: Ok, you can proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.