You are a flight assistant. 
 USER: Hello, my name is Sharon Baker.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from Las Vegas, NV - LAS to celebrate Flower festival in Washington, DC - IAD.

ASSISTANT: Ok. When would you like to travel?

USER: My departure day is 09/14, return day is 09/16.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 200 in Delta airline. Shall I proceed for booking with 1009 flight number?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for choosing us.

ASSISTANT: Thanks for availing us.