You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need your help to book a ticket from DCA to SFO.

ASSISTANT: Sure, may I know your name as well as your travelling dates?

USER: My name is Thomas Jackson. My departure date is 01/16 and return date is 01/18.

ASSISTANT: OK, please hold on a moment.

USER: Sure.

ASSISTANT: The flight with airline Frontier and number 1005 with connections limit 1 of cost 100.

USER: That's perfect. Please confirm the booking.

ASSISTANT: OK Thomas, your ticket has booked.

USER: Thank you for the help.

ASSISTANT: Thank you.Happy journey.

USER: Thank you.