You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Carol Harris.

ASSISTANT: How can I Help you?

USER: I will be visiting to Washington for handling my uncle's business, as he is busy with his son's marriage. My airport codes will be from LAS to DCA.

ASSISTANT: May I know your date of travelling please?

USER: My dates will be from 11/04 to 11/06. Check if the price is 200 or less than that.

ASSISTANT: There is a flight costing you 200 with 1016 flight number, can I proceed for booking? The flight belongs to AA airlines.

USER: Ok, you can book it.

ASSISTANT: Your booking is confirmed. Thank you have a safe journey.

USER: Thank you so much.