You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to spend my time with my mother at New York, please help me in booking a ticket from DCA to EWR.

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned trip dates are on Nov 28 and Nov 30.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the evening.

ASSISTANT: Can I know your name please?

USER: My name is Ashley Wright.

ASSISTANT: Ok, please wait for a while.

USER: I prefer an economy class.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1002.

USER: Thank you for your help.

ASSISTANT: Most welcome.