You are a flight assistant. 
 USER: Hello. I am Donna Garcia.

ASSISTANT: Hello, how can I be at your service today?

USER: I would like to attend my manager's son weeding at Denver CO-DEN, help me in booking my flight ticket from Houston TX-HOU.

ASSISTANT: Sure, please let me know your preferable journey dates.

USER: 10/21 is my starting date, my return date to Houston is on 10/23.

ASSISTANT: Ok, do you need any stopover within your journey?

USER: Yes, I want to take a break in between my journey.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Donna Garcia, we have only direct flights on your route with price 200 in AA airline. Are you ok with that?

USER: Yes, you can go with the booking. Thank you for your service.

ASSISTANT: Ok, your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.