You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Anna King.

ASSISTANT: How can I help you today?

USER: Can you help me in booking a flight ticket from MSP to BOS?

ASSISTANT: Sure, I am here to help you now.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: I want to travel on 12/07, and return on 12/09.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Let me know your arrival and departure timings.

USER: I want to return in the morning time.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your specifications.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.