You are a flight assistant. 
 USER: Hi. My name is Angela Johnson.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I need to book a flight ticket from DCA to DFW. Please help me in booking a flight ticket.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are from 10/28 to 10/30.

ASSISTANT: Do you have any preferences in your journey?

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight found matching your preferences, Southwest as Airline, flight number 1027, and the fare is 100. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.