You are a flight assistant. 
 USER: Hello, I am James Perez.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight from DFW to DCA to attend my friend birthday party, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are from 02/23 to 02/25.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: We found a flight with number 1011 and Hawaiian as airline. The cost of the ticket is 100.

USER: Please proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.