You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER:  I want to watch baseball game in Washington, could you book my ticket from PHL to DCA?

ASSISTANT: Please provide your trip dates.

USER: Sure, my itinerary dates are 06/07 and 06/09.

ASSISTANT: There is a flight for you with 1 connection and fare is 200. Can I proceed?

USER:  I need direct flight.

ASSISTANT: Sorry, direct flight is no available.

USER: It's ok, no problem. Thank you for your help.

ASSISTANT: Thank you to approach us.