You are a flight assistant. 
 USER: Hi, Nicole Rodriguez here.

ASSISTANT: Hello Nicole, how may I help you?

USER: I want to meet my friend at New York, can you please help me to book my flight ticket from IAD to LGA?

ASSISTANT: Please provide your trip dates.

USER: Sure, I will depart on 04/17 and return on 04/19.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Spirit airlines with flight 1004 is available.

USER: That's perfect for my journey, you can book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us.