You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend a Hockey competition in Washington DCA from HOU. Can you find a flight ticket for me?

ASSISTANT: Your travelling dates please?

USER: Ok, my itinerary dates are on Sept 21 and return on Sept 23.

ASSISTANT: Do you have  any connection limit?

USER: I need a single connecting flight to travel.

ASSISTANT: Is there any specifications?

USER: No, thanks for asking.

ASSISTANT: There is a flight with single connection in United airlines, can I proceed for booking in 1009 flight?

USER: Ok, please book the ticket on the name of Laura King.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your great service.

ASSISTANT: Thank you for choosing us.