You are a flight assistant. 
 USER: Hi, I am Paul Wilson.

ASSISTANT: Hello, how can I assist you?

USER: I wish to visit Perot museum of nature and science at Dallas and fort worth.Can you please book a flight to DFW?

ASSISTANT: Sure, do you have any limit on connection and price?

USER: Yes, price should be below 200. Connection limit is 1.

ASSISTANT: Ok, please let me know your source code and journey dates.

USER: I want to fly from IAD. My travelling dates are 11/21 to 11/23.

ASSISTANT: Thanks for providing the details, we found a flight of Hawaiian airline with price 100 and connection 1 having number 1023 available on your preferable dates.

USER: I am very comfortable with this airline, Please book it.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for reserving the flight.

ASSISTANT: Thanks for choosing us.