You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Las Vegas to meet my partner, please book a ticket from DCA to LAS.

ASSISTANT: Can I know your desired travel dates please?

USER: My travel dates are 05/09 and 05/11.

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

USER: Ok, please book the ticket with the name Edward Turner.

ASSISTANT: Sure. Your ticket is booked, flight number 1026.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.