You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you book a flight ticket from MSP to PHX?

ASSISTANT: Sure, I will help you with that, can I know your planning dates?

USER: Mar, 25 and Mar, 27 are my travel dates.

ASSISTANT: Do you have any connection limit?

USER: I need single connection.

ASSISTANT: Is there any other specifications?

USER: I need to travel in economy class.

ASSISTANT: Can I know your good name please.

USER: Kevin Williams here.

ASSISTANT: Sorry, no flights are found on your trip dates.

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

ASSISTANT: Thank you for reaching us.