You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Virginia Martin.

ASSISTANT: Martin, how can I assist you?

USER: I want to visit White House, can you help me in booking the ticket?

ASSISTANT: Sure. Please provide your travel details.

USER: It's from PHX to IAD. The dates of travel are from 03/22 to 03/24.

ASSISTANT: Let me check, please wait for a moment. Flight number 1019 of UA airlines is available for you.

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.