You are a flight assistant. 
 USER: Hi. I am Rachel Rodriguez.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning to conduct a film festival at Washington. Can you help me in my booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please provide your destination airport code.

USER: My destination airport code is DC - IAD.

ASSISTANT: Ok, May I know your planned dates of your travel?

USER: I will start my journey on 10/25. I will return on 10/27.

ASSISTANT: Ok, From where do you want to start your journey?

USER: My source airport code is Dallas, TX - DFW.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for your time, There were no flights found with your given details.

USER: Not an issue. Thank you for quick response.

ASSISTANT: Thank you for availing us.