You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from MSP to PHX.

ASSISTANT: Sure, may I know your name?

USER: My name is Brandon Wilson.

ASSISTANT: Sure, may I know your travelling dates?

USER: Departure is by June, 7 and return date is June, 9.

ASSISTANT: Do you need a connecting flight?

USER: I prefer connecting flight.

ASSISTANT: May I know your other specifications?

USER: I would like to return in the morning.

ASSISTANT: There are no flights available on your travelling dates.

USER: Thank you.

ASSISTANT: Thank you for opting us.