Hi.
user
Hello. How can I assist you at this moment?
assistant
I am Stephen Campbell. Please help me in booking flight ticket from SFO to DFW?
user
Sure Stephen Campbell, I will help you with that. Can I have your travel dates please?
assistant
My travelling dates are 07/25 and 07/27.
user
Ok, please wait a moment to check flight availability.
assistant
Ok, sure.
user
Sorry Stephen Campbell, no flight is available to you on your dates.
assistant
Ok, fine thank you for checking.
user
Thank you for choosing us, have a good day.
assistant