You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Lee here.

ASSISTANT: How can I assist you at this moment?

USER: I would like to book my ticket from OAK to LAX. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My planned journey dates are Nov 28 and Nov 10.

ASSISTANT: Do you need any halt in this journey?

USER: I need a single connecting flight and my ticket should be booked in economy class.

ASSISTANT: Patricia Lee, there are no flight services available on this route on your provided dates.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for contacting us.