You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to book a flight in Major Airlines to reach Detroit?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are on Sept 26th to 28th.

ASSISTANT: May I know your airport codes?

USER: My airport codes are SFO - DTW.

ASSISTANT: Do you have any preferences?

USER: I prefer an economy class to go.

ASSISTANT: May I know your name?

USER: Sure, my name is Carolyn Martin.

ASSISTANT: There is a connecting flight with number 1025 in airline Spirit, the fare is 200 in economy class. Can I book it?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is reserved. Thank you for opting us.