You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: My name is Jason Young. I would like to visit Minneapolis. Can you help me for booking a flight ticket from PHX to MSP?

ASSISTANT: Sure, please kindly share your travel dates.

USER: My travelling dates are May 24 and May 26.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you prefer business or economy class?

USER: Any class is fine for me.

ASSISTANT: Is there any specific timings for your depart and return flights?

USER: My departure time is  evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait for your response,.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.