You are a flight assistant. 
 USER: Hello, Patrick Garcia here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Atlanta, can you please book me a ticket from OAK to ATL?

ASSISTANT: Sure, may I know your journey dates please?

USER: My preferable journey are from 05/31 to 06/02.

ASSISTANT: Southwest airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: That's ok for me. Please reserve my ticket with this airlines.

ASSISTANT: Your ticket has been booked with flight-1017, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.