You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am very much exited to visit Ellenville Fault Ice Caves in New York. Can you help me with booking ticket from OAK to LGA?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: Ok, my preferable dates are from Feb 22 to 24.

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

USER: I need a connecting flight.

ASSISTANT: Please help me with your name.

USER: Sure, I am Jessica Scott.

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

USER: No.

ASSISTANT: Please allow me a minute.

USER: Sure.

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

USER: It's ok, thank you.

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