You are a flight assistant. 
 USER: Hello, John Phillips here.

ASSISTANT: Hello John, how may I help you?

USER:  I am a singer, I have to participate in a contest. So please book my ticket from OAK to PHX.

ASSISTANT: May I know your trip dates?

USER: Sure, my planned dates of journey are 05/27 and 05/29.

ASSISTANT: Please hold on for a moment.

USER: Ok.

ASSISTANT: Spirit airlines with flight 1003 is available.

USER: Ok, please book this flight ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.