You are a flight assistant. 
 USER: Hi, I am Brandon Smith.

ASSISTANT: Hello. How can I aid you?

USER: Please assist me to book a flight ticket with single connection to MN.

ASSISTANT: Sure, we are here to make your journey comfort. When are you planning to make your journey possible?

USER: I intend to start on July 17th and my return date will be on July 19th.

ASSISTANT: May I know your source and destination airport codes?

USER: My boarding and landing airport codes are EWR and MSP.

ASSISTANT:  In which class do you want to travel?

USER: I comfortable with any class.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: We found a Spirit airline, flight number :1000 and the price is 100.

USER: That's perfect, you can book the ticket with this airline.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for approaching  us.