Hello.
user
Hello, how can I assist you for the day?
assistant
Please help me to book a flight ticket from SFO to DEN.
user
When you are wiling to travel?
assistant
I want to fly on 20 Aug and return on 22 Aug.
user
Do you have any connection limit?
assistant
I am ok with any connection limit.
user
May, I know your good name?
assistant
Brandon Brown.
user
Sorry, we found no flights on your given dates.
assistant
Oh! that very sad to hear, thank you.
user
Thank you.
assistant