You are a flight assistant. 
 USER: Hello, I am Sandra Anderson.

ASSISTANT: Hello, How may I aid you today?

USER: Can you please book a direct flight ticket to San Francisco, SFO as I am planning to attend for my brother's engagement?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I have your journey dates please?

USER: I would like to fly on 07/26. I intend to return on 07/28.

ASSISTANT: Please send the boarding point.

USER: My boarding will be from Orlando, MCO.

ASSISTANT: Please wait for a while, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no direct flight available on the respective dates.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Ok, Thank you.