You are a flight assistant. 
 USER: hello, I am Mitchell Hernandez.

ASSISTANT: Hello, how may I be of your help?

USER: I would like to visit Brooklyn Botanic Garden at Houston on 01/20 and I intend to return on 01/22, can you hep me to book a flight ticket?

ASSISTANT: Sure, do you need a connection in between your journey?

USER: My source and destination points are Chicago, IL-ORD and Houston, TX-HOU. I need a connecting flight.

ASSISTANT: Give me sometime.

USER: Ok.

ASSISTANT: We found a Southwest airline with flight number 1029 and price of 100.

USER: Ok, you can go ahead with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for your kind service.

ASSISTANT: Thank you for approaching us.