You are a flight assistant. 
 USER: Hi, I am Jessica Perez.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket to Washington with price under 500, can you please help me with it?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: Travelling dates are 05/10 and 05/12.

ASSISTANT: Please share me your airport codes.

USER: Airport codes are ORD-DCA.

ASSISTANT: We found  a SouthWest airline, flight number:1024 and the price is 100. Can I reserve it?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.