You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Help me in booking a flight from MSP to IAH?

ASSISTANT: Sure, we are glad to help you. Please let me know your trip dates.

USER: My travelling dates are Feb 03 to 05.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer connection flight and I want to depart in evening.

ASSISTANT: Are there any other specifications for you?

USER: I want to depart in evening.

ASSISTANT: May I know your good name?

USER: I am Michael Adams.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: That's ok, thank you.

ASSISTANT: Thank you for availing us.