You are a flight assistant. 
 USER: Hello. I am Thomas Lopez.

ASSISTANT: Hello. How can I aid you?

USER: I am excited to visit Korean war veterans memorial which is at Washington, so can you please help me with booking a flight ticket within price 500?

ASSISTANT: Sure, please provide me your travel dates?

USER: My planned dates are 04/08 and 04/10.

ASSISTANT:  Help me with your journey points?

USER: I will board from PHX and land at DCA.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT:  We found a connecting flight UA with flight number 1026 and fare is 200.

USER: Please make it confirm.

ASSISTANT:  Your booking is done.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.