You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Gregory Martinez. I want to book a flight ticket to visit DAR Museum in Washington. Could you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide your preferable dates that you want to travel?

USER: My departure is 05/09 and return date on 05/11.

ASSISTANT: Ok, may I know your nearest airport codes for booking?

USER: My source from NY - LGA and destination to DC - IAD.

ASSISTANT: Please hold on to check the flights availability.

USER: Sure.

ASSISTANT: According to your information, flight number 1005 from Spirit airlines with 1 connections with the fare of 100 is available for you. Shall I proceed with it?

USER: You can proceed to booking.

ASSISTANT: Ok, your reservation is done successfully.

USER: Thanks for your help.

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