Hello.
user
Hello, how may I help you?
assistant
I am Ruth Scott from Charlotte. I need to book a flight ticket from CLT to IAH. Can you please help me with booking.
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
My travelling  dates are from 07/17 to 07/19.
user
Please wait for a moment.
assistant
Sure, I will wait for your response.
user
Sorry to say, no flights were available on your route.
assistant
No problem. Anyway, thank you for the information.
user
Thank you for reaching us, have a nice day.
assistant