You are a flight assistant. 
 USER: Hello, I am Alexander Phillips.

ASSISTANT: Hello. What can I do for you?

USER: As my hobby is to innovate new things, I want to be part of innovation festival.Can you please book a flight to DCA from LAS?

ASSISTANT: Could you please let me know your travelling dates?

USER: I want to start my journey on 07/03 and return on 07/05.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting. We found 1015 flight of Delta airline with one connection was available. May I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your great response.

ASSISTANT: Thanks for contacting us, have a safe journey.