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