You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Katherine Collins here. I want to fly from DCA to ORD. Can you check the flight availability on this root?

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

USER: My planned travelling dates are 06/13 and 06/15.

ASSISTANT: Would you like to travel in a direct flight or connecting flight?

USER: I want a flight with maximum connection of 1.

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

USER: Make sure that, my return time should be in afternoon only.

ASSISTANT: We found Hawaiian airline with price 300 and economy class and flight number is 1022 with arrival time is 15 PM and departure time is 11 AM.Shall I proceed for booking?

USER: Yes, you can proceed with that booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you, for your quick response.

ASSISTANT: You are welcome.