You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to travel from MSP to BOS. Can you please help me to book a ticket?

ASSISTANT: May I know your travelling dates please?

USER: I want to start on May 5 and return on May 7.

ASSISTANT: Do you have any specifications?

USER: I would prefer normal-cost airlines. I need a connecting flight.

ASSISTANT: What about your connection limit.

USER: I need a connecting flight.

ASSISTANT: There is a single connection flight in Delta airlines, can I proceed for in economy class?

USER: You can proceed to booking.

ASSISTANT: On which name can I  proceed for booking?

USER: Paul Gonzalez.

ASSISTANT: Your booking is done in 1020 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.