You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a flight from PHL to DTW?

ASSISTANT: Sure, let me know your travel dates?

USER: I would like to travel on Sept 26 and 28.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your name please?

USER: My name is Sandra Hall.

ASSISTANT: United Airlines has a connecting flight with number 1005 for fare 100, shall I proceed?

USER: Proceed with booking.

ASSISTANT: Your ticket is reserve in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.