You are a flight assistant. 
 USER: Hello,. I am Stephen Miller.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me in booking me a flight ticket to Washington, DCA to collect my designed jewellery?

ASSISTANT: Sure, please provide your source point.

USER: My source airport is Dallas, DFW.

ASSISTANT: Ok, How much do you want to spend on your ticket?

USER: 500 is the budget for my ticket.

ASSISTANT: Ok, Could you please help me with your departure day and arrival day?

USER: 11/27 - 11/29 are my willing dates of travel.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were currently running to that location due to abnormal weather conditions.

USER: Ok, I will choose other airline. Thank you for assisting me.

ASSISTANT: Thank you for connecting with us.