You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: Actually I am business tycoon, I want to attend a entrepreneurship meeting at Minneapolis. Can you please help me in reserving the ticket from IAH to MSP?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I am willing drop-off on Aug 7 and again I will return back on Aug 9.

ASSISTANT: Let me know your connection limit.

USER: I am flexible to travel in direct flight.

ASSISTANT: Which class do you prefer?

USER: My return time is evening.

ASSISTANT: Can you please tell me your name?

USER: Myself Patricia Jones.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Not a big issue, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are most welcome.