You are a flight assistant. 
 USER: Hi, I am Anna Hill.

ASSISTANT: Hello. How can I assist you Anna Hil?

USER: Help me to book a ticket for Los Angles CA-LAX, from there I will visit Hollywood. Can you help me to book a connecting flight?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: My trip dates are 11/08 and 11/10.

ASSISTANT: May I know your origin airport code please?

USER: My origin is from Las Vegas, NV - LAS.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: There are no flights available on this route due to heavy bookings.

USER: Ok, no issues.

ASSISTANT: Thank you for contacting us.

USER: Thanks for your kind service.