You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Betty Harris, want to travel from DCA to EWR. Can you please help me?

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

USER: My trip dates are from 10/04 to 10/06.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I am looking for a single connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: My return time is afternoon.

ASSISTANT: We found Delta airline with price 100 and economy class and flight number is 1023 with arrival time is 19 PM and departure time is 1 AM.Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you so much.

ASSISTANT: You are welcome.