You are a flight assistant. 
 USER: Hi, I am Steven Davis.

ASSISTANT: Hello. How can I help you today?

USER: I am planning to book a flight from MSP to reach BOS, so please help me in booking a flight.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are on Aug 12th to 14th.

ASSISTANT: Can you please mention your depart and return timings?

USER: My return time is afternoon.

ASSISTANT: May I know the connection limit of your flight?

USER: I need a single connection.

ASSISTANT: Do you have any class limit?

USER: No.

ASSISTANT: May I know your airline preference? Ok, please wait.

USER: Sure, I don't have any airline preference.

ASSISTANT: Sorry, no flights found on your route to reserve your ticket.

USER: No worries, thank you.

ASSISTANT: Thank you for connecting with us.