Hi.
user
Hello, how may I help you today?
assistant
I am Andrew Jones want to travel to LAS from IAD, can you please help me in booking?
user
Sure, may I know your travelling dates?
assistant
I want to start my journey on Oct 19th and return on Oct 21st.
user
Sure, may I know your connection limit?
assistant
I do not have connection limit.
user
Do you have any other preferences?
assistant
I need to depart in the evening time.
user
There are no flights available on your request.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant