You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: May I know your desired travel dates please?

USER: I would like to depart on May 25 and return on May 27.

ASSISTANT: Do you have any specifications?

USER: I would prefer normal cost airline.

ASSISTANT: May I know your name please?

USER: My name is Kimberly Wilson.

ASSISTANT: Do you prefer a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1017 with UA airlines.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for opting us.

USER: You are welcome.