You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to prefer a normal-cost airline for my holiday trip to Boston. So can you book the flight ticket for me?

ASSISTANT: Sure, I am here to help you for this. Could you please provide me your airport codes?

USER: The airport codes are from LAX to BOS.

ASSISTANT: Can you please mention your trip dates?

USER: The travel dates are from Dec 28 to Dec 30.

ASSISTANT: At what time are you planning to depart and return?

USER: That does not matter.

ASSISTANT: Is there any other specification regarding your journey?

USER: I need a single connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: As per your data, i found a flight with Delta Airlines and the ticket fare is 200. Shall I proceed for this?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: I am Helen Perez.

ASSISTANT: Your ticket is reserved in economy class with the flight-1007. Your depart time is 0:00 Am, and again your arrival time is 3:00 AM.

USER: Thank you.

ASSISTANT: Thank you very much for contacting our agency.