Hello.
user
Hello, how can I assist you for the day?
assistant
 I want to book a flight ticket from AUS to SFO. Could you help me in booking?
user
When you are willing to travel?
assistant
My travelling dates are from Mar,18 and Mar,20.
user
May, I know your good name?
assistant
Myself Laura King.
user
Do you have any connection limit?
assistant
I prefer single connecting flight.
user
Sorry, we found no flights on your given dates.
assistant
Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.
user
Thank you for reaching us.
assistant