You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to attend a Music festival at PHX, can you please help me in booking from MSP?

ASSISTANT: Sure, may I know your good name please?

USER: I am George Lee.

ASSISTANT: Ok, may I know on which dates you are willing to travel?

USER: My travel dates are from Apr 25 to Apr 27.

ASSISTANT: Is there any specific class preference for you?

USER: No.

ASSISTANT: Do you have any other specifications please?

USER: No, I am comfortable with any type of flight.

ASSISTANT: Sorry Lee, there is no flight found as per your travelling details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.