Hello.
user
Hello. How can I aid you?
assistant
I have planned to book a plane ticket from HOU to ORD, can you assist me in booking my ticket?
user
Sure, We are here to help you. Can I know your travelling dates?
assistant
My preferred dates are May 20th and May 22nd.
user
Do you need any break?
assistant
I need to travel in direct flight which must depart in morning time.
user
May I know your name?
assistant
Mark Williams.
user
Is there any other specifications?
assistant
No.
user
 We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.
assistant
No problem, thank you for searching.
user
Thank you for reaching us.
assistant