Hello.
user
Hello, how may I help you?
assistant
Can you help me to book a normal cost flight ticket?
user
Sure, may I know your trip dates please?
assistant
My travel dates are Sept 15 and Sept 17.
user
Can I know your airport codes please?
assistant
My airport codes are LGA and IAH.
user
Do you have any other requirements?
assistant
I would like to return back in the afternoon time.
user
Ok, let me know your name please.
assistant
I am Samuel Young.
user
Sorry, we regret to inform you that there is no flight available as per your request.
assistant
No problem, thank you for the information.
user
My pleasure.
assistant