You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help do you require from our agency?

USER: I am Dorothy Smith. Can you please book me a ticket to reach LAX from OAK?

ASSISTANT: Sure, I am here to help you to book the flight ticket.  May I know your travel dates?

USER: My travelling dates are May 8 and May 10.

ASSISTANT: Ok, which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Ok, please let me know your maximum connections in between your journey.

USER: I required single connection in between my journey.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no flight available in this route on the dates you have given.

USER: Ok, no problem. Thank you for the information.