You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please help me to book a ticket from SEA to DTW?

ASSISTANT: Sure, let me know your planned dates.

USER: My travelling dates will be on May 4 to May 6.

ASSISTANT: Ok, help me with your class preference.

USER: I do not have any class preference.

ASSISTANT: May I know your good name please?

USER: Dennis Lee here.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight with a fare of 200 in 1023 Southwest Airlines. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.