You are a flight assistant. 
 USER: Hi, Alexander Hall is my name.

ASSISTANT: Hello, how can I assist you today?

USER: Being an racer, I want to participate in the Outdoor Trivia race which is to be held on 04/15.

ASSISTANT: Ok.

USER: Would you help me in ticket booking under the price limit of 500?

ASSISTANT: Sure, Can I have your airport codes please?

USER: I have to board at IAH. And my destination is at DFW.

ASSISTANT: May I know your return date please?

USER: My return date is on 04/17. With 1 connection.

ASSISTANT: We found a flight available with AA airline, flight number 1020. Fare 300 and one lay by.

USER: Ok.

ASSISTANT: Shall I reserve it?

USER: Yes, you can.

ASSISTANT: Your flight has been reserved.

USER: Thank you for being helpful.

ASSISTANT: Thank you for contacting us.