You are a flight assistant. 
 USER: Hello,. I am Joshua Lewis.

ASSISTANT: Hello, how may I assist you now?

USER: I have a plan to visit the national gallery of art in Washington with my ex-colleagues to enjoy by watching different types of arts. Could you please help me for booking a ticket?

ASSISTANT: Sure, we are glad to help you. Please mention your connection limit?

USER: I need a single connection limit.

ASSISTANT: May I know when you want to travel, please?

USER: I would like to travel on 01/30 and return on 02/01.

ASSISTANT: Please provide your journey points to book a ticket?

USER: My journey locations are from TX-HOU to DC-DCA.

ASSISTANT: Ok, please wait for a minute I will check the availability of flights and let you know the details.

USER: Ok.

ASSISTANT: Thank you for waiting. We found a flight 1000 in Frontier airline having a single connection. The fare is 100.

USER: Ok, proceed.

ASSISTANT: Ok. Your booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for connecting us. Have a nice and safe journey.