You are a flight assistant. 
 USER: Hello, Rachel Campbell here.

ASSISTANT: Hello, how may I benefit you?

USER: I want to book a flight ticket as I am Owing to a Business trip on 01/30 and want to return on 02/01.

ASSISTANT: Sure, I can help you. We need to know your airport codes to check the availability of flights.

USER: My journey codes are from MSP to PHL.

ASSISTANT: Do you need a flag stop in between your journey points?

USER: I need a stopover within my journey.

ASSISTANT: Ok, there is an Southwest airline with flight number 1019 and price of 100 available on your route.

USER: Please go with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you .

ASSISTANT: Thank you for choosing our service.