Hello.
user
Hello, how may I serve you?
assistant
I need to travel CLT and IAH, can you please reserve flight ticket?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are July,17 and July,19.
user
Do you have any preferences?
assistant
I need single connecting flight.
user
May I know your name?
assistant
Myself Dorothy Smith.
user
Sorry, there is no flight available with your requirements.
assistant
Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.
user
You are welcome, have a nice day.
assistant