You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you today?

USER: I want to book a connecting flight ticket to attend an event from WA. Can you help me?

ASSISTANT: Sure, may I know your class preference?

USER: Thank you. I would like to make my trip in an economy class.

ASSISTANT: Ok, on which dates would you like to travel?

USER: Sept 08th and 10th are my travelling dates.

ASSISTANT: Can I have your airport codes?

USER: SEA and DTW are my airport codes.

ASSISTANT: Provide your name please.

USER: Cynthia Wilson here.

ASSISTANT: We found a Southwest airline with fare of 100 and a lay by in between the journey.

USER: That's Perfect, You can reserve it for me.

ASSISTANT: Your ticket has been confirmed with flight number 1004.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: Thank you for reaching us.