Hello.
user
Hello.
assistant
I am Donna Martinez.
user
Donna Martinez, how may I assist you with today?
assistant
I am planning to visit Los Angeles LAX from IAD. Can you find a flight ticket for me?
user
Sure, I will help you.
assistant
Thank you.
user
Please help me with your planned travel dates.
assistant
Ok, my planned trip dates are on Sept 12 and return on Sept 14.
user
Donna Martinez, do you need a direct or connecting flight?
assistant
Yes, I need a single connecting flight.
user
Do you have any other preferences please?
assistant
I want to depart in the evening.
user
 I am sorry to inform you that there are no flights available that depart in the evening.
assistant
Ok, not an issue. Thank you for your information.
user
Thank you for reaching us. Have a great time.
assistant