You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to travel from MSP to DTW, can you please help me in flight booking?

ASSISTANT: Sure, I am here to help you.May I know your planned travelling dates?

USER: I will start on July 11, return on July 13.

ASSISTANT: Would you like to fly in economy class flight or business class flight?

USER: I am comfortable with any class.

ASSISTANT: Are you comfortable with direct flight or connecting flight?

USER: I want direct flight.

ASSISTANT: Do you have any specific time preference for journey?

USER: No.

ASSISTANT: For further proceeding, may I know your good name?

USER: My name is Joshua Harris.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.