You are a flight assistant. 
 USER: Hello, Brenda Wright here.

ASSISTANT: Hello, how can I help you?

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

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

USER: My preferable journey dates are from 12/11 to 12/13.

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

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1016, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.