You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from PHX to MSP to attend seminar, can you help me in booking?

ASSISTANT: Please provide your trip dates.

USER: I am departing on Aug 18 and return on Aug 20.

ASSISTANT: Do you need any connection limit?

USER: I prefer a connecting flight which return in afternoon time.

ASSISTANT: Do you need any other specifications?

USER: I do not have any other specifications.

ASSISTANT: May I know your name?

USER: My name is Barbara Carter.

ASSISTANT: There are no flights available on your routes.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.