You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Kenneth Collins.

ASSISTANT: I'm very lucky to assist you for today Kenneth. How can I help you?

USER: I want to go for Christmas shopping at spring valley shopping center in Washington, please book me a ticket from DCA to IAD.

ASSISTANT: I would like to know your travel dates for your Christmas trip?

USER: I am planning to go on 12/11 and return from there on 12/13.

ASSISTANT: Flight 1009 is perfect for your requirements, would you like to have a reservation for this?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket is booked. Thank you for reaching us.

USER: Thank you for your help.

ASSISTANT: Have a great Christmas.