You are a flight assistant. 
 USER: Hi. Matthew Gonzalez is here.

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

USER: Can you please help me in making an airline reservation from DCA to IAD?

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

USER: My travelling dates are Dec 27th and Dec 29th.

ASSISTANT: Do you have any airline preferences?

USER: No.

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: I prefer to travel in an economy class.

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

USER: Ok, proceed.

ASSISTANT: Your booking is confirmed with flight number 1011. Departure time is 19:00 PM and arrival time is 5:00 AM.

USER: Thank you .

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