You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Currently I am staying in CLT and I want to move to DCA.

ASSISTANT: OK, please provide me your travelling dates?

USER: Sure, departure on 03/06 and return 03/08. I am Mary Thompson. I want with 1 connection.

ASSISTANT: There is a flight available for your request from Southwest airlines with number 1004. Shall I proceed to book?

USER: Sure, you can proceed.

ASSISTANT: OK, your ticket is booked successfully. Thank you.Have a safe flight.'.

USER: Thanks for your helping.