You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please reserve me a flight ticket from ATL to IAD to go for holiday vacation?

ASSISTANT: Sure, could you please help me with your depart and return dates?

USER: I am planning to depart on June 23 and return on June 25.

ASSISTANT: May I know your connection limit?

USER: I prefer a flight having maximum connection of one.

ASSISTANT: Can I know your class preference?

USER: I don't have any other preferences.

ASSISTANT: Ok, please provide your name.

USER: My name is Kenneth Roberts.

ASSISTANT: We found a direct flight of United airline, flight number 1004 with the fare of 200. Can I proceed for booking?

USER: Please, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.