You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: My name is Steven Harris, can you book a flight which start from DCA to PHL?

ASSISTANT: Sure, I am glad to help you. May I know on what dates would you like to travel?

USER: Ok, please make sure to book a connecting flight for the dates June 17 and 19 respectively.

ASSISTANT: Do you prefer any way station in between your journey?

USER: There is nothing in specific any flight is ok. Please check for the intent I had mentioned above.

ASSISTANT: Sure.

USER: Ok, thank you for understanding and assisting me.

ASSISTANT: As per your information, we found a direct flight with 1009 number and the fare is 100. Shall I proceed?

USER: Ok, please book it for me.

ASSISTANT: Ok, your ticket has been confirmed in UA airline.

USER: That is good, thank you for the help.

ASSISTANT: Thank you for choosing us.