You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Brian Hernandez. I am planning this week day to travel Seattle. Can you please help me in booking the ticket from OAK to SEA?

ASSISTANT: Please provide your trip dates.

USER: I will take-off 02/20 and again I will be return back on 02/22.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Do you have any specifications?

USER: Can you please check for single connection flight.

ASSISTANT: Let me check.

USER: Ok.

ASSISTANT: AA airlines with flight 1025 is available for you.

USER: Go ahead and book the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you very much for booking the ticket.

ASSISTANT: Thank you for choosing us.