You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you the best today?

USER:  I am Melissa Nelson. Can you book a ticket from AZ-PHX to MN-MSP?

ASSISTANT: May I know your journey dates please?

USER:  My trip dates are 10/20 and 10/22.

ASSISTANT: Do you need any flag stop in midway of your journey?

USER:  I need a connecting flight.

ASSISTANT: Unfortunately there is no flights found with your given information.

USER: Ok, thank you for providing information.

ASSISTANT: Thank you for availing us.