You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I support you today?

USER: Can you help me in booking  a plane ticket with the name Gregory Robinson to go for a film festival?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I prefer a lay by in between my journey.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Washington, DCA is my take off airport code. Los Angeles, LAX is my landing airport.

ASSISTANT: May I know when you have planned to travel?

USER: My planned travel dates are 02/26 and 02/28.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: It's ok. Thank you.

ASSISTANT: Thank you for choosing us.