You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to celebrate my birthday at Los Angeles, please help me in booking a ticket from DCA to LAX.

ASSISTANT: Sure, can you share your journey dates?

USER: My planned journey dates are on Apr 25 and Apr 27.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1005 in airline Delta, the fare is 200 in economy class. Can I book it?

USER: Ok, please book my ticket with the name Scott Evans,.

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