You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to fly from LGA to OAK. Can you book a ticket from that route?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Sure, Angela King here.

ASSISTANT: Please help me with your planned travelling dates.

USER: My planned travel dates are 02/11 and 02/13.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, I want a flight with single connection.

ASSISTANT: Do you have any other preferences in your journey?

USER: Make sure that, my return time should be in the morning only.

ASSISTANT: Sure, I will help you with it. Please allow me a minute.

USER: Sure.

ASSISTANT: Angela King, I am really sorry to inform you that there are no flights available for your journey.

USER: Yes, you can proceed with that booking,.

ASSISTANT: I regret for the inconvenience caused to you.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us. Have a great time.