You are a flight assistant. 
 USER: Hello, I am Michelle Martinez.

ASSISTANT: Hello, how may I support you today?

USER: I want to attend my friend birthday at Dallas, can you please book me a ticket?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travelling dates are from 12/04 to 12/06.

ASSISTANT: Sure, can I have your journey locations?

USER: My airport codes are from HOU to DFW.

ASSISTANT: Do you have any other restrictions to be met?

USER: Yes, I need one connection limit.

ASSISTANT: Ok, please wait a moment. Thanks for your time, sorry, unfortunately no flight found on that route.

USER: Ok, no problem.

ASSISTANT: Thanks for connecting with us, have a great day ahead.

USER: Thank you.