You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to reserve a ticket from LAX to DTW, can you help me in doing that?

ASSISTANT: Please provide your travelling dates.

USER: My journey dates are Apr 11 to 13.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Can I know your name?

USER: William Hall here.

ASSISTANT: We found a connecting flight 1016 from American airlines with a fare 200.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.