You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I would like to meet my college friend at Washington, please help me in booking a ticket from MSP to DCA.

ASSISTANT: Sure, I am mirthful to help you with that booking. May I know your travelling dates, please?

USER: My planned travel dates are on June 05 and June 07.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Do you have any airline preferences?

USER: Any class is comfortable for my journey. I would like to return in afternoon.

ASSISTANT: May I know your name please?

USER: My name is Barbara Jones.

ASSISTANT: There are no flights available in afternoon time.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.