Hello.
Hello. How may I help you?
I have planned to visit San Francisco with my friends, would you help in booking my ticket?
Sure, I will help in your ticket booking. Can you please provide your source and destination location airport codes to search for the flight?
I would like to travel from DFW to SFO.
Meanwhile, may I know your good name for booking purpose?
Myself Shirley Evans.
Can you please help me in providing your travelling dates?
My preferred dates of  travelling are from 06/17 to 06/19. Ensure that it has 1 connecting flight.
Please give me a moment, I will search for flight and get back to you.
Sure.
I am so sorry Evans. As per your request, there are no flights available on your dates to reserve your flight ticket.
Ok, That's not an issue.
Sorry for the inconvenience.
I'll choose other option to travel.
Thank you for utilizing our service, have a great day.
Thank you for your service.
You are welcome.