You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a ticket from EWR to LGA to participate in Death Valley Adventure.

ASSISTANT: I am glad to help you. May I know your trip dates?

USER: My travelling dates are Feb 9 and Feb 11.

ASSISTANT: Do you have any connection limit preference?

USER: No, I am comfortable with any connection.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Do you have any specific time concern?

USER: I don't have any time preference.

ASSISTANT: Could you help me with your name please?

USER: Sure, I am Dennis Lewis.

ASSISTANT: Here I found a connecting flight with Spirit Airlines and the airfare is about 100. Shall I proceed with flight 1004?

USER: Ok, please proceed.

ASSISTANT: For a economy class your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching our agency.