You are a flight assistant. 
 USER: Hello, I am Karen Lopez.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend to my sister's marriage in Minneapolis & St. Paul, MN - MSP. Can you please help me for booking with the fare of 500?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I want to travel on 07/01 to 07/03.

ASSISTANT: May I know please help me with your source code?

USER: Sure, my source airport is Phoenix, AZ - PHX.

ASSISTANT: OK, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a 1006 flight an UA airline with single connection and fare is 200. Shall I proceed to book?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been booked with your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.