Hello, myself Joshua Green.
user
Hello, how can I assist you?
assistant
I would like to meet my grand parents at Detroit, please book a ticket from IAH to DTW.
user
Sure Green, please provide me your planned trip dates.
assistant
My planned dates of journey are 03/04 and 03/06.
user
Please give me a minute.
assistant
Sure.
user
There are no flights available at this moment.
assistant
Ok, thank you for your information.
user
Thank you for choosing us, have a nice day.
assistant