You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Karen Davis here, can you please help me in booking the ticket from SFO to SFO? As I'm planning a round trip in San Francisco.

ASSISTANT: May I know on what dates would you like to travel?

USER: Sure, my planned departure and return travel dates are 12/08 and 12/10.

ASSISTANT: We are pleased to inform you that we have found a Spirit airline, flight number-1006 connections-1 and price limit is 100.

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your booking is done.

USER: Thank you so much for your help in booking the ticket.

ASSISTANT: Happy journey.