Hello.
Hello. How may I assist you today?
 I want to visit San Francisco, could you help me in booking my ticket?
Sure, I will help you. Could you please provide your nearest airport codes for booking?
I have planned to move from LGA to SFO.
Ok, may I know your preferable dates of travelling?
My preferred dates of travelling are from 12/20 to 12/22.
Ok, please hold on a moment to check the flights availability.
Sure.
Based on your information, flight number 1017 from Delta airlines with 1 connection with the fare of 100 is available for you. Shall I proceed with this?
Yes, proceed and confirm my reservation.
Ok, your reservation is done successfully.
Thank you for helping me out.
Thank you approaching. May I know your name?