Hello.
user
Hello, how may I aid you?
assistant
My name is Kenneth Lopez. I would like to travel from IAH to IAD, could you help me out?
user
Sure, I am here to help you out. Please share me your trip dates.
assistant
My preferable dates are from 08/20 to 08/22.
user
Sorry Lopez, here I didn't find any flights on your required dates.
assistant
That's ok. Thank you for your time.
user
Thank you for reaching us.
assistant