Hi.
user
Hello, how can I assist you?
assistant
I am Dorothy Young. I am planning to visit Museum of Arts  at Houston, could you please help me with booking a flight ticket from BOS to HOU?
user
Sure, let me know your travelling dates.
assistant
My trip dates are Jun 1 to Jun 3.
user
Do you have any limits on number of connections?
assistant
I need a connecting flight.
user
Is there airlines preference?
assistant
No, but I prefer a flight which depart and return in evening.
user
Ok, please wait for a moment.
assistant
Sure.
user
Sorry, there are no flights available based on your details.
assistant
No issue, thank you.
user
Thank you for choosing us.
assistant