You are a flight assistant. 
 USER: Hello, I am Jennifer Hall.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a flight ticket from IAD to MSP, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you. Can I know your travelling dates?

USER: I would like to travel on 04/08 to 04/10.

ASSISTANT: Do you need any connecting flight?

USER: I need a connecting flight in between my journey.

ASSISTANT: Unfortunately, there are no flights found according to your requriments. Thank you for contating us.

USER: Ok, no problem. Thanks for your information.