You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I would like to head from Houston to participate in science fair at Washington. Can you help me book a flight ticket on 01/18?

ASSISTANT: Sure, we are here to make customers happy. May I know your journey dates?

USER: I need to return on 01/20.

ASSISTANT: Can you share your airport codes?

USER: They are IAH and IAD.

ASSISTANT: May I know your good name?

USER: Frank Wilson is my name.

ASSISTANT: Wait a while.

USER: Ok.

ASSISTANT: We are happy to share with you that, you have a flight with your data. The airline is Southwest and the flight number is 1011 with price 100 and connection is 1. Can I proceed?

USER: Yes, proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us, have a nice day.