You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from LGA to DCA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel on dates  May 13 and May 15.

ASSISTANT: Do you want connecting flight?

USER: I need a connecting flight.

ASSISTANT: Can you please share your airline preference?

USER: I am looking for a normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Samantha Allen.

ASSISTANT: We found a direct flight, airline: UA, flight number: 1005, price: 200.

USER:    Please book a ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.