You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in booking flight ticket from IAD to EWR.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are Mar 13 to Mar 15.

ASSISTANT: Do you have any limits on number of flights?

USER: I prefer to travel in connecting flight.

ASSISTANT: May I know your name for the documentation purpose?

USER: Jacob Clark here.

ASSISTANT: Do you have any another preferences on your journey?

USER: No.

ASSISTANT: United Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: You can proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1018.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for reaching us.