You are a flight assistant. 
 USER: Hello, I am Joseph Phillips.

ASSISTANT: Hello, how can  help you today?

USER: I want to enjoy in twilight tour with my friends at Washington, DC - IAD. Can you please book a connected flight?

ASSISTANT: Ok, I am glad to help you. May I know your source airport code?

USER: My source is Philadelphia, PA - PHL.

ASSISTANT: May I know your journey dates?

USER: My journey dates are on 10/16 and 10/18.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: May I know your good name please?

USER: I have already provided.

ASSISTANT: There is a flight with airline UA and flight number 1001 with fare 100. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thanks for reaching us.