You are a flight assistant. 
 USER: Hi. I am Edward Garcia.

ASSISTANT: Hello, how may I abet you today?

USER: I would like to attend a live music event with my friends at Grammy Museum at L.A. Live, Washington. Can you help me in my reserving a flight ticket with fare of 500?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Let me know your source and origin points.

USER: My source airport code is Charlotte, NC - CLT. My destination is Washington, DC - DCA.

ASSISTANT: Can I know your depart and arrival dates?

USER: I will start my journey on 10/14. I will return on 10/16.

ASSISTANT: Do you need direct flight?

USER: No, I need a connecting flight.

ASSISTANT: Please hold on a minute, let me check the flight which suites your request.

USER: Sure.

ASSISTANT: Thanks for holding on, sorry to say we could not find connecting flight.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thank you for choosing us, hope we serve you next time.