You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Garcia.

ASSISTANT: How can I assist you?

USER: Can you please book me a ticket from OAK to meet my olden days friends?

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

USER: I would like to leave between 08/31 and 09/02.

ASSISTANT: May I know your destination airport code?

USER: My destination is MSP.

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

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked with flight number 1007.

USER: Thank you.