You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Elizabeth Johnson. I want to visit National Mall, could you please help me in booking a ticket?

ASSISTANT: Yes, I am here to help you. Let me know your journey details and dates?

USER: My travelling dates are from 07/23 to 07/25. My airport codes are from IAD to JFK.

ASSISTANT: Thank you for your details. I have found a flight 1013 of Southwest airlines. Shall I book this flight?

USER: Ok, please book my ticket.

ASSISTANT: Sure. your ticket is confirmed, have a nice journey.

USER: Thank you for your help.

ASSISTANT: Welcome.