Hello.
user
Hello. How can I help you?
assistant
I am John Lee. I am planning to book a ticket with 0 connection, can you please help me out to book a flight ticket for me?
user
Yes, I can help you with that.
assistant
Thank you.
user
Can you share me your nearest source airport code for this journey?
assistant
My nearest  source airport code is DFW.
user
Ok, could you please tell me your departure date?
assistant
I would like to start my journey on 10/18.
user
Can I know your return date for this journey?
assistant
I am planning to return on 10/20.
user
Ok, could you tell me your destination airport code?
assistant
My destination code is LAX.
user
Give me a moment, I will get back to you with availability of flights.
assistant
Sure, I will wait but try to find a best airline for me.
user
Sorry to inform you that there are no flight services found providing service on your requested route.
assistant
That's not a issue. Thank you for your service.
user
Thank you for reaching our agency.
assistant