You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

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

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: My trip dates are Dec 27 and 29.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: I need to travel in economy class.

ASSISTANT: Please forward me your name.

USER: Edward Miller.

ASSISTANT: Ok, there is a Southwest airline with flight number 1017 going on your way with 1 connection and airfare is 100. Is that fine?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.