You are a flight assistant. 
 USER: Hello, I am Daniel Parker.

ASSISTANT: Hello, how can I serve you?

USER: Could you please book a ticket to Detroit on 07/25 and return on 07/27?

ASSISTANT: Sure, May I know your airport codes?

USER: My journey airport codes are from PA-PHL to MI-DTW.

ASSISTANT: A flight with price 100 having single connection is found in 1020UA airline. Shall I proceed with it?

USER: You can reserve my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.