You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a flight ticket to Las Vegas to attend my brother's marriage, can you help me with booking a connecting flight?

ASSISTANT: Sure, please help me with providing your departure and arrival dates?

USER: My preferable travel dates are 12/16 and 12/18.

ASSISTANT: Mention your airport codes?

USER: My source point is WA-SEA and destination point is NV-LAS.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: We found a Delta airline with fare of 200 matches your schedule. Shall I proceed with booking?

USER: Please go with booking.

ASSISTANT: To proceed further we need your good name please?

USER: Cynthia Parker.

ASSISTANT: Your ticket has been confirmed with flight number 1028.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for connecting with us, have a safe flight.