Hi, I am Amanda Roberts.
user
Hello, how can I help you today?
assistant
I am planning to visit Dallas tacos & margaritas coach tour in DFW. Can you help me to book a connecting flight?
user
Sure, kindly mention your travel dates.
assistant
My trip dates are June 28 and 30.
user
May I know your airport codes?
assistant
My  source airport code is Houston, HOU.
user
Sorry to say, no flights found with your requirement.
assistant
Ok, thank you.
user
Thanks for reaching us.
assistant