You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a ticket from PHX to MSP, can you please help me out?

ASSISTANT: Sure, help me with the trip dates?

USER: I am travelling on these dates Sept 15th and 17th.

ASSISTANT: May I know your name please?

USER: Sharon Jones here.

ASSISTANT: Do you have any preferences for this trip?

USER: I prefer return in the morning.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.