You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to book the flight ticket from DCA to PHX. Can you please help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My ravel dates are Aug 17 and Aug 19.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: Do you have any class preferences?

USER: I don't have any class preferences.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: Laura Evans.

ASSISTANT: There is a connecting flight with ticket fare 200 in AA airlines in economy class. Is it ok for you?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with flight number 1023. Depart time is 21:00 hours and arrival time is 15:00 hours.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us, have a nice day.