Hello.
user
Hello, how may I aid you?
assistant
Alexander Campbell here. I am a chemistry professor, I have to deliver a lecture at Minneapolis. Please book my ticket from DFW to MSP.
user
Sure, can you help me with your travelling dates?
assistant
My itinerary dates are 05/14 and 05/16.
user
Do you have any requirements?
assistant
I want a connecting flight.
user
Sorry, there is no flight is available for you.
assistant
It's ok, thank you.
user
Thank you for choosing us, have a nice day.
assistant