You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Benjamin Hill. Can you help me to book a flight ticket from DC - DCA to CA - LAX?

ASSISTANT: Sure, can you share your trip dates?

USER: Ok, please book for the dates 05/25 and 05/27.

ASSISTANT: Do you have any specifications?

USER: Yes, please try to book a direct flight.

ASSISTANT: There is a connecting flight with number 1026 in airline JetBlue, the fare is 100. Can I book it?

USER: I had asked for a direct flight, please check the availability.

ASSISTANT: Sorry, there is no direct flight on your given dates.

USER: Ok, thank you for assisting me. I will search for an alternative to complete my trip.

ASSISTANT: Thank you for reaching us.