You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I planned to meet my friend in IAD, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I prefer to travel on Jul 27 and Jul 29.

ASSISTANT: Can I know your name please?

USER: I am Dennis Collins.

ASSISTANT: Do you need any specifications in airlines?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Can I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.