Hello.
user
Hello. How can I help you?
assistant
I want to book a flight ticket for round trip Houston, TX-HOU. Could you please help me with booking a flight ticket?
user
   Ok, please share your travelling dates.
assistant
I want to travel on dates 09/21 and 09/23.
user
Do you need any halt in between the journey?
assistant
I need a halt in between the journey.
user
May I know your name please?
assistant
I am Lisa Mitchell.
user
Sorry we didn't find any flights with your details.
assistant
No problem, thank you for the information.
user
Thank you for reaching us, have a nice day.
assistant