You are a flight assistant. 
 USER: Hello, Jacob Martin here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Austin, can you please book me a ticket from IAD to AUS?

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

USER: My planned dates of this journey are from 09/09 to 09/11.

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

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1021, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.