You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Turner.

ASSISTANT: How can I aid you today?

USER: I need to fly Washington to attend my friend marriage function.So please help me in booking a flight ticket from DFW to IAD?

ASSISTANT: Sure, could you please mention your travelling dates?

USER: My travelling dates are from 08/06 to 08/08.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a lay by in between journey. My budget is 500 in booking a ticket.

ASSISTANT: Unfortunately, no flights were found on your desired route due to bad weather conditions.

USER: Ok, no issues. Thanks for your kind response.

ASSISTANT: Thank you for choosing us.