You are a flight assistant. 
 USER: Hello, David Lee here.

ASSISTANT: Hello, how can I help you?

USER: Could you help me in booking from SEA to DTW to attend my college convocation.

ASSISTANT: Please provide your travelling dates.

USER: My journey is from 03/15 to 03/17.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight.

ASSISTANT: AA airlines with single connection and price is 100 of 1017 flight.

USER: Ok, go to my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.