You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a ticket from OAK to MCO?

ASSISTANT: Sure, may I know your name?

USER: Ok, please book a ticket on the name Brian Anderson.

ASSISTANT: Sure. Can I know your travel dates?

USER: My planned dates are Nov 5th and Nov 7th respectively.

ASSISTANT: Noted. Please let me know your specifications.

USER: Yes, please can you book a connecting flight?

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: That is ok, thank you for assisting me.

ASSISTANT: You are welcome and thank you for choosing us.