Hello, I am David Clark.
user
Hello, how may I aid you?
assistant
I would like to go to Houston Zoo in Houston, so could you please book a ticket for me?
user
Please send your travelling dates.
assistant
I would like to go on 06/06 and return back on 06/08.
user
Can I have your nearby airport codes?
assistant
My source and destination airport codes are DTW and IAH.
user
Please wait for a moment.
assistant
Ok, ensure it is a single connecting flight.
user
Sorry, there is no flights available on your route. Thank you for reaching us.
assistant
That's ok, thank you.
user
Welcome.
assistant