You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Stephen King here. As me and my friends planned for a environmental tour to Los Angels CA-LAX, can you help me in booking my flight ticket with a fare of 500?

ASSISTANT: Sure, can you please specify your travelling dates?

USER: I want to start on 10/03, my return date will be 10/05.

ASSISTANT: May I know your source airport code?

USER: My source point will be from MI-DTW.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your details, we found a Jet Blue airline with flight number 1020 and fare 100. Shall I reserve it?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.