You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from DCA to LAS, can you help me in booking a flight ticket?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, my journey dates are Jul 23 and Jul 25.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer a direct flight?

USER: I prefer maximum one connection.

ASSISTANT: May I know your name?

USER: Sure, Scott Davis here.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Delta airlines with fight 1013 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Please proceed.

ASSISTANT: Your ticket is confirmed Scott Davis.

USER: Thank you.

ASSISTANT: Thank you for choosing us.