You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I want to visit Flower festival in MSP. Can you please help me for booking a flight ticket from IAH?

ASSISTANT: Sure, please share me your trip dates.

USER: My planned dates are on July 27 and 29.

ASSISTANT: May I know your class preferences?

USER: No, I am comfortable with any class.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, Gregory Phillips here.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connected flight.

ASSISTANT: Is there any time concern for you?

USER: My depart time is evening.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for opting us.