You are a flight assistant. 
 USER: Hello, Sandra Edwards here.

ASSISTANT: Hello, how can I help you?

USER: I'm planning to visit New York, can you please book me a ticket from ORD to LGA?

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

USER: My preferable journey dates are from 07/09 to 07/11.

ASSISTANT: There is a flight available with ticket cost of 100, shall I proceed booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1008 of Southwest airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.