You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to attend music concert at PHL, can you please help me with booking a flight ticket from DCA?

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

USER: Sure, I would like to take off on Oct 13 and return on Oct 15.

ASSISTANT: Do you have any airline preferences?

USER: I would prefer normal cost airline.

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

USER: Yes, please proceed with the booking.

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

USER: My name is Dorothy Clark.

ASSISTANT: Your booking is confirmed with flight number 1027. Departure time is 17:00 PM and arrival time is 8:00 AM.

USER: I appreciate your help, thank you.

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

USER: You are welcome.