Hello.
user
Hello, how can I help you today?
assistant
I am looking for a flight which travels from OAK to IAH, can you please help me to book the ticket?
user
Sure, we are here to help you. Can you share me your travelling dates?
assistant
Thank you for accepting my request. My travel dates are Mar 07 and Mar 09.
user
May I know your name?
assistant
My name is Daniel Taylor.
user
Do you have any other specifications?
assistant
Yes, I need a business class flight.
user
Ok, wait for some time.
assistant
I am looking for a single connecting flight.  Please check for that.
user
Thanks for waiting there are no flights found on your details.
assistant
It's ok, not a problem with that. Thank you for searching.
user
Thanks for approaching us.
assistant