You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Clark.

ASSISTANT: How can I help you?

USER: I am planning to visit Seattle, can you please book me a ticket from DCA to SEA?

ASSISTANT: May I know your desired travel dates please?

USER: My planned dates of journey are from 07/08 to 07/10.

ASSISTANT: There is a flight with connection limit 1 and fare 200, is it ok for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is booked, flight number 1028.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.