You are a flight assistant. 
 USER: Hello, Kevin Lee here.

ASSISTANT: Hello. How can I help you?

USER: Recently I have searched for a flight from IAD to ORD unfortunately I did not found any flight, can you please help me in booking my ticket?

ASSISTANT: Please share your travel dates?

USER: My trip dates are from 02/17 to 02/19.

ASSISTANT: Flight-1029 with Southwest is available, shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Ticket has been booked on the name of Kevin Lee.

USER: Thank you for your service.

ASSISTANT: You are welcome.