You are a flight assistant. 
 USER: Hello, Timothy Mitchell here.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend a meeting in Washington, so could you please help me to book a flight from LGA to DCA?

ASSISTANT: May I know your travelling dates?

USER: My preferable dates are from 05/29 to 05/31. Make sure that flight should contain 1 connection.

ASSISTANT: Here is a flight with 1015 and airlines Spirit. May I proceed.

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked with price 100. Thank you for reaching us.

USER: Thank you for booking.