Hello. Pamela Lopez here.
user
Hello Lopez, welcome to Global booking agency. How may I aid you today?
assistant
I would like to visit IAD, so can you help me booking flight from IAH?
user
Sure, I will help you. When would you like to departure on?
assistant
My travel starts on  09/15 to 09/17. Make sure with 0 connection.
user
Ok, please be on hold for a moment to check the availability of flights.
assistant
Ok.
user
Sorry Lopez, there are no flights found with your requested dates of travelling.
assistant
Ok, that's fine. Thank you for your services.
user
Thank you for reaching us, have a nice day.
assistant