You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rebecca Baker here.

ASSISTANT: How can I help you?

USER: I want to attend a Marriage in Atlanta. Can you please help me for booking the flight ticket?

ASSISTANT: Let me know your airport codes.

USER: My airport codes are LAS and ATL.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are 06/19 and 06/21.

ASSISTANT: Connecting flight can be booked with airline AA for price 200 having flight number 1004.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked.

USER: Thanks for helping me.

ASSISTANT: Thank you.