Hi.
user
Hello.
assistant
Timothy Mitchell here.
user
How can I assist you today?
assistant
I would like to book a ticket from OAK to IAH, can you please help me with that?
user
Sure, can you please share your travel dates?
assistant
The travel dates are from 05/29 to 05/31.
user
Do you have any class preference?
assistant
I need business class.
user
Timothy Mitchell, I am sorry to inform you that there is no flight available at your request.
assistant
That's ok, thank you for your help.
user
Thank you for contacting us.
assistant