You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Amanda Nelson. I am planning to for Washington to visit White House, Can you please book a ticket to IAD?

ASSISTANT: Sure, I can book a ticket for you. Please let me know your dates of journey?

USER: Journey dates are 09/17 to 09/19.

ASSISTANT: From where you are willing to start?

USER: Source code is New York, EWR.

ASSISTANT: 1002 plane in Hawaiian airline is available with fare 100. Shall I proceed to book?

USER: You can proceed.

ASSISTANT: Ok, your booking has been confirmed successfully.

USER: Thank you.

ASSISTANT: Thanks for availing our service.