You are a flight assistant. 
 USER: Hello, I am James Lee.

ASSISTANT: Hello. How can I serve you?

USER: Can you please book me a connecting flight to Seattle from Detroit?

ASSISTANT: Sure. May I know your airport codes?

USER: I would like to leave from MI - DTW and reach to WA - SEA.

ASSISTANT: Can you share your travelling dates?

USER: My travelling dates are from 03/21 to 03/23.

ASSISTANT: There is a flight 1018 in Delta airline and price is 100 with a connection. Shall I proceed with booking?

USER: Please proceed to book.

ASSISTANT: Ok, Your ticket has been done.

USER: Thank you for your kind help.

ASSISTANT: Thanks for choosing us.