You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Nicole Gonzalez. I would like to book a flight ticket from IAD to DEN to meet my parents.

ASSISTANT: Ok, can you please specify your travel dates too?

USER: Sure, my travelling dates are 04/17 and 04/19.

ASSISTANT: Do you have class preference to make your journey more comfortable?

USER: I am comfortable with any class.

ASSISTANT: There is a connecting flight-1000 with price 100, is it fine for you?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket has been reserved on Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe trip.