You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I oblige you?

USER: Myself Kenneth Young. I need a direct flight to go Los Angeles, as my grandfather is going through a surgery and I need to see him. Can you help me?

ASSISTANT: Sure. Help me with trip dates.

USER: I will depart on 08/26 and intend to back on 08/28.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight as I have already mentioned.

ASSISTANT: Let me know your airport codes.

USER: My boarding point is IAD and destination is LAX.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no direct flight available on your given specified dates.

USER: Ok, no problem I will contact any other agency.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.