You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Wright.

ASSISTANT: How can I help you?

USER: I would like to visit Washington to meet my friend's. Can you please help me in booking a flight ticket?

ASSISTANT: Paul, can you please provide your airport codes?

USER: My airport codes are IAD and DCA.

ASSISTANT: Could you please provide your travelling dates?

USER: Sure, I planned to travel on 07/19 and 07/21.

ASSISTANT: There is a flight available with price 100 and connection is 1.

USER: OK, please confirm my booking.

ASSISTANT: Would you like to confirm the booking? Your booking is confirmed.

USER: Can you please provide the flight number?

ASSISTANT: Flight number is 1014 and airline is UA.

USER: OK, thank you for the help.

ASSISTANT: You are welcome.