You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I'm Rachel Clark.I am planning to attend a sports event at Houston, can you please help me with booking a flight ticket?

ASSISTANT: Sure Rachel, I am happy to help you. May I know your journey dates?

USER: Sure, my departure date is on 02/17 and the return date is on 02/19.

ASSISTANT: Rachel, can you please give me your airport codes?

USER: Yes, it is from DTW to IAH.

ASSISTANT: Ok, please wait for a moment.

USER: Sure. Please make sure that the price limit should not exceed 1000.

ASSISTANT: Ok. Yes, there is a flight with UA airline which satisfy all your details. Shall I proceed to book?

USER: Yes, please.

ASSISTANT: Your ticket has booked with 1023 flight.

USER: Thank you for your help.

ASSISTANT: Welcome. Thank you for contacting us.

USER: You are welcome.

ASSISTANT: Have a safe journey.