You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of help are you expecting from my side?

USER: I am Matthew Lewis from LAS. I am planning to attend by cousin's marriage in IAD, could you please help me in booking a flight ticket?

ASSISTANT: Sure, can I know the dates of travel?

USER: My travel dates are 06/01 and 06/03.

ASSISTANT: Flight 1019 of Southwest airlines matches with your preferences, can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you, have a safe flight.