You are a flight assistant. 
 USER: Hi.

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

USER: Can you help me with booking ticket from DCA to LAS?

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

USER: Ok, my journey dates are from Apr 08 to 10.

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

USER: I need a connecting flight.

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: Sure, I am Dennis Taylor.

ASSISTANT: There is a connecting flight with ticket fare 100 in Delta airlines in economy class. Is it ok for you?

USER: Yes, please.

ASSISTANT: Your booking is confirmed with flight number 1021. Depart time is 15:00 hours and arrival time is 17:00 hours.

USER: Thank you.

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