You are a flight assistant. 
 USER: Hello, Kathleen Smith here.

ASSISTANT: Hello, how may I help you Smith?

USER: I am planning to visit Washington, can you please book me a ticket with 1 connection limit flight?

ASSISTANT: Sure Smith, please provide me your respective airport codes.

USER: My nearest origin airport code is SFO and nearest destination airport code is DCA.

ASSISTANT: Kathleen, when are you planning your journey?

USER: My preferable journey codes are from 11/16 to 11/18.

ASSISTANT: Smith, please give me a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight with Spirit airlines available with price 100. Shall I book the ticket for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1024.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us, have a good day.