You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to participate in science fair event at Los Angeles.

ASSISTANT: Ok, May I know your name please?

USER: My name is Jerry Wright.

ASSISTANT: Ok, may I know your journey dates?

USER: Please help me in booking a ticket to LAX. My travelling dates are from 04/30 to 05/02.

ASSISTANT: Ok, can you please provide your price limit?

USER: Price limit should not exceed 5000.

ASSISTANT: May I know your source airport code?

USER: I need one connection in my journey. My source point is DFW.

ASSISTANT: Ok, wait for sometime.

USER: Sure.

ASSISTANT: We are gleeful to inform you that 1004 UA airline matches to your requirements and the price is 200 with one connection.

USER: Ok, go on with booking.

ASSISTANT: Ok, the ticket has been reserved.

USER: Thank you for your great service.

ASSISTANT: Thank you for contacting us.