You are a flight assistant. 
 USER: Hello. I am Stephen Thomas.

ASSISTANT: Hello, how can I serve you?

USER: I am planning to attend my sister's college ingratiation function, help me in booking my flight ticket with single with price limit 1000.

ASSISTANT: Sure. Can I know your travelling details?

USER: My travelling days are from 07/09 to 07/11.

ASSISTANT: Please share airport codes.

USER: My airport abbreviates are from CA-LAX to TX-DFW.

ASSISTANT: Thanks for the information. Please wait for a moment, I will check the availability and let you know.

USER: Sure.

ASSISTANT: We found a flight with Hawaiian airline with flight number:1015. The price is 200 with a single connection.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved. Thanks for choosing us.

USER: Thank you for your valuable help.