You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a seminar on automation, so please book my ticket from IAH to MSP.

ASSISTANT: Can I know your travelling dates?

USER: My itinerary dates are Mar 29 and Mar 31.

ASSISTANT: Do you have any preference?

USER: I want to return from Minneapolis in the afternoon.

ASSISTANT: Let me know your name.

USER: Nancy Hill here.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Found ticket with JetBlue airline for price 200.

USER: Book my ticket.

ASSISTANT: Ticket is booked in an economy class having flight number 1002.

USER: Thank you.

ASSISTANT: Thank you.