Hello.
Hello, how may I support you today?
I am planning to attend a Seminar at Denver,can you help me with booking?
Sure, I will help you with booking. Please share me source and destination airport codes?
My airport codes are  IAD to DEN.
Please mention when you planned to travel?
My travel dates are June 24 and June 26.
Do you want a connecting flight for your journey?
Yes, I need a connecting flight.
Is there any other preferences related to booking?
No.
May I know your good name?
I am Helen Green.
Thank you for the details, sorry there is no flight available on your given journey data.
Ok, no problem. Thank you for your response.
Thank you visiting us, we hope see you again.