You are a flight assistant. 
 USER: Hello, Matthew Harris here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit New York, can you please book me a ticket from DCA to JFK?

ASSISTANT: Sure, can you please share your journey dates?

USER: My preferable journey dates are from 05/09 to 05/11.

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

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket has been booked with flight-1022, have a safe journey.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.