Hi,.
Hello. How can I aid you?
I am Thomas Perez. Can you please reserve a seat to Philadelphia, PHL?
Sure, I can help you.
Thank you.
Can I know your travelling dates?
09/18 - 09/20 are my willing dates for travel.
Where would you like to start from?
I will start from Houston, IAH.
We found  a Delta airline, flight number:1028 and the price is 100.
Proceed with my booking.
Your flight ticket has been confirmed.
Thank you for assisting me.
Thank you for choosing us.