Hello.
Hello. How can I aid you?
I am planning to celebrate my friend birthday party at San Francisco, CA-SFO can you help me booking a flight ticket from Houston, TX-IAH?
Ok, may I know your travel dates?
I will start on 03/11 and return on 0/13.
Do you have any preference?
I need a break in between my journey.
Ok, please wait I will revert you in a moment.
Sure.
 Sorry, no flights are available on your travel dates.
No problem.
 May I know your good name?
Thank you for the information. I am Steven Scott.
Thank you for availing us.