You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Adams.

ASSISTANT: How can I help you?

USER: Can you please help me to book a ticket from PHL to MSP?

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates will be on Apr 20 to Apr 22.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight. I want to return in the afternoon.

ASSISTANT: Ticket is found with airline Spirit for price 200 having flight number 1008.

USER: You can proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.