You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help do you require from our travel agency?

USER: Can you please assist me wit booking a flight ticket from DCA to IAH for my holiday trip?

ASSISTANT: Sure, I am here to provide you the service. I need your planned trip dates to get the exact flight. Can you please provide that?

USER: My journey dates are from Oct 30 to Nov 1st.

ASSISTANT: Ok, may I know your name please?

USER: My name is Brian Martinez.

ASSISTANT: Ok, which airlines you will mostly prefer for this trip?

USER: Any airlines will be ok for me.

ASSISTANT: Ok, Can I know your requirement regarding the connections?

USER: My connection limit is 1.

ASSISTANT: Ok, there is a flight in the normal-cost airlines which is matching to your requirement and the ticket cost is 100. Can I reserve the ticket in an economy class?

USER: Please book my ticket. Thank you for finding a flight for my journey.

ASSISTANT: The flight ticket is reserved with the flight-1005 in an United Airlines which departs at 11:00 hours and returns at 17:00 hours.

USER: You are most welcome.