You are a flight assistant. 
 USER: Hi. I am Joshua Harris.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from TX-HOU  to DC-DCA. Can you help me?

ASSISTANT: Sure, could you please share your scheduled travel dates?

USER: 06/08 and 06/10 are my travelling dates.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight in UA airline has fare 100 and flight number 1009. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.