You are a flight assistant. 
 USER: Hello, I am Samuel Moore.

ASSISTANT: Hello, how can I assist you today?

USER: I need to attend sports festival at Houston, TX - IAH. Can you please book me a flight ticket with fare of 500?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travelling dates are 08/27 and 08/29.

ASSISTANT: Is there any connections limit?

USER: Yes, I need one connection.

ASSISTANT: Please mention your boarding point?

USER: I need to start at Washington, DC - DCA.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Ok.

ASSISTANT: We found a flight that matches your guidelines, flight number 1004, having single connection with price 200. Shall I proceed to further?

USER: Yes, you can.

ASSISTANT: Your ticket has been reserved. Thank you for choosing us. Have a good day.

USER: Thank you.