You are a flight assistant. 
 USER: Hello. My name is Scott Adams.

ASSISTANT: Hello, how can I support you?

USER: I want to book a business class flight ticket from IAH to MSP, can you please help me in doing that?

ASSISTANT: Sure, Do you need any stopover in between your journey?

USER: Yes, I am ok with one connecting flight.

ASSISTANT: Ok, please help me with your travelling dates.

USER: I want to start in the afternoon on Feb 4th and will return back on Feb 6th.

ASSISTANT: Ok, please provide your airline preference.

USER: Sorry please make sure I want a economy class ticket.

ASSISTANT: Ok.

USER: I don't have any airline preferences.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, we did not find any flights with your given requirements.

USER: No worries, I will look for an alternative to travel. Thank you.

ASSISTANT: Thank you for availing us.