Hi.
user
Hello, how can I assist you for the day?
assistant
Can you check the availability of flights in the month of July on 18 and 20?
user
Can you help me with your airport codes?
assistant
My airport codes are IAD to DTW.
user
Do you have any connection limit?
assistant
Yes, I need a connecting flight.
user
Do you have any other requirement?
assistant
I prefer to fly in big brand airlines.
user
May, I know your good name?
assistant
Andrew Johnson.
user
Sorry, we found no flights on your given dates.
assistant
Ok, thank you.
user
Thank you for reaching us.
assistant