Hi.
user
Hello.
assistant
I am John Phillips.
user
How may I help you?
assistant
I would like to attend Global Environmental Conference in Bernardo hall, which is at Seattle, SEA. Can you help in finding a flight from DEN?
user
May I know your travel dates?
assistant
My travelling dates are 01/13 and I will return on 01/15.
user
Sorry, there is no flight found basis on your details.
assistant
No problem, thanks for checking.
user
Most welcome.
assistant