You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Pamela White.

ASSISTANT: How can I assist  you, Pamela?

USER: I am planning to travel from LAS to DCA, could you please help me with that?

ASSISTANT: May I know your travel dates please?

USER: My travelling dates are 09/19 and 09/21.

ASSISTANT: Pamela, flight is available with number 1003 with AA airline.

USER: Please confirm the booking.

ASSISTANT: Should I proceed booking? Sure. Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thanks for contacting us.