You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am planning to book a flight ticket to MSP from PHX, can you please help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned travelling dates are Jan 14 and Jan 16.

ASSISTANT: Do you have any connection limit?

USER: I prefer direct flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Larry Baker.

ASSISTANT: Sorry, there are no flights found with your data.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you.