You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am planning to visit the Perot museum of nature and science which is located in Dallas & Fort Worth, DFW. Can you avail me to book a flight ticket?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travel dates are Feb 24 and 26.

ASSISTANT: From where you want to start your journey?

USER: I want to start from Orlando, MCO.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a break in my journey.

ASSISTANT: Any other preferences?

USER: I want to return in the evening time.

ASSISTANT: May I know your name?

USER: Sure, Gary Thomas here.

ASSISTANT: Sorry, there are no flights found with your details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.