You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a ticket from EWR to MSP.

ASSISTANT: Sure, can you please share your journey dates?

USER: Departure is on Apr, 8 and will return by Apr, 10.

ASSISTANT: Are you looking for any preferred connections?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I prefer to fly major airlines.

ASSISTANT: Can I have your name to proceed further?

USER: I am Katherine Collins.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Thanks.

ASSISTANT: Thank you for reaching us.