Hello, I am Brandon Turner.
Hello, how can I help you?
I need to book a flight ticket to meet my sister on her concert at Houston.
Ok. May I know your travelling dates to book a ticket?
Sure, my departure is on 03/22 and arrival is on 03/24.
May I know your airport codes?
San Francisco, CA-SFO  and Houston, TX-IAH are my airort codes.
Please wait for a while. Sorry, there are no flights according to your details.
No worries, thank you for the information.
Thank you for approaching us.