You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Charles Parker, help me to book a flight on 06/01 and return ticket on 06/03.

ASSISTANT: Sure, may I know your airport codes?

USER: My source point is MN-MSP and destination is AZ-PHX.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight.

ASSISTANT: You have a flight with airline Delta and flight number is 1022 with 1 connection and price is 300.

USER: Please proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a nice day.