You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Edward Parker. I have to attend a meeting in White House, can you please book a flight ticket from DCA to IAD?

ASSISTANT: What will be your travel dates?

USER: My travelling dates are 10/21 and 10/23.

ASSISTANT: Flight-1005 by JetBlue airlines is available for you. Shall I book it for you?

USER: Ok, please book this flight ticket.

ASSISTANT: Booking confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.