You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen King.

ASSISTANT: How may I assist you today?

USER: I am looking for a connecting flight, could you please help me with booking a flight ticket from LGA to MSP?

ASSISTANT: Sure, may I know your journey dates please?

USER: I would like to depart on Aug 26th and return on Aug 28th.

ASSISTANT: Do you want to fly with economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: Please provide your specifications.

USER: I need a normal- cost airline. And make sure that my depart time is afternoon.

ASSISTANT: Unfortunately there are no flights are running on your route according to your given dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.