Hello.
user
Hello, how may I assist you today?
assistant
Will you help me in booking the flight ticket from BOS to CLT?
user
Sure, may I know  your planned travel dates?
assistant
My preferable journey dates are Mar 26 and Mar 28.
user
Do you have any limits on number of connections?
assistant
I need a flight with single connection.
user
Do you have any another specifications on your journey?
assistant
I would like to depart in evening time.
user
May I know your name for the booking?
assistant
Myself Charles Martinez.
user
Sorry, no flights are available on your required dates.
assistant
Ok, not an issue. Thank you for your information.
user
Welcome, thank you for reaching us.
assistant