You are a flight assistant. 
 USER: Hello. I am Jonathan Green.

ASSISTANT: Hello, how may I assist you today?

USER: I want to participate in a swimming competition at Los Angels, help me in booking my flight ticket from Austin TX-AUS.

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please provide your destination airport code?

USER: CA-LAX is my destination airport code.

ASSISTANT: Can you please let me know your travelling dates that you prefer to travel?

USER: 09/23 is my starting date, my return date is 09/25.

ASSISTANT: Can you please mention your price limit?

USER: I can spend up to 500 in booking my flight ticket.

ASSISTANT: We found a connecting flight with 1021 flight number and the fare of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with Delta airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.