You are a flight assistant. 
 USER: Hello, myself Laura Walker.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend my friend's birthday party at Oakland, please book a ticket from PHX to OAK.

ASSISTANT: Laura, please provide me your journey dates.

USER: My planned dates are 09/17 and 09/19.

ASSISTANT: Laura, please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Spirit airlines with price 300. Can I proceed for booking the ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1020.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us.