You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Perez here.

ASSISTANT: How may I help you Perez?

USER: One of my friend is invite me to attend a VIVA Awards event.Can you please help me for booking a ticket?

ASSISTANT: Sure, we are here to help you. Could you please provide your nearest airport codes for booking your flight?

USER: My airport codes are from DCA to EWR.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: My departure date is 11/17 and return date is 11/19. Make sure my connections limit is 1.

ASSISTANT: Ok, please be hold on for a moment to check the flight availability and I will get back to you.

USER: Ok.

ASSISTANT: Based on your details, flight number 1017 from AA airlines with the fare of 200 is available for you. Shall I proceed with it?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a safe journey.