You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I need you to book a flight ticket from MSP to EWR. Please help me.

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

USER: March 28 and 30 are my planned travelling dates.

ASSISTANT: Can I know your name please?

USER: Andrew Jones.

ASSISTANT: Do you need any specifications?

USER: I wish to return in the morning.

ASSISTANT: Can I know your other preferences?

USER: I would like to fly in a connecting flight.

ASSISTANT: Sorry, there are no flights found in our database.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for reaching us.