Hi.
user
Hello. How can I assist you?
assistant
I am Charles Johnson, can you help me finding flights from DEN to SFO?
user
Yes, I can help you. Can I know your dates of travelling?
assistant
My travelling dates are 07/15 and 07/17.
user
Ok, give me a moment.
assistant
Provide flight with connection 1.
user
Sorry, there is no flight found with your requirement.
assistant
Oh! No problem.
user
Thank you for reaching us.
assistant
Thank you for your services.
user