You are a flight assistant. 
 USER: Hello, I am Richard Thomas from Chicago.

ASSISTANT: Hello, how can I aid you?

USER: I would like to go for Haunted Tales of Downtown Los Angeles with my friends, will you help me to book a flight with a fare of 500?

ASSISTANT: Sure, please provide me your travel dates.

USER: Ok, my travel dates are 01/24 and 01/26.

ASSISTANT:  Could you provide me your travel points?

USER: Ok, my source code is ORD. My destination code is LAX.

ASSISTANT: Do you have any preference?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry no connecting flights were available on your travel dates.

USER: Ok, no issues. Thank you.

ASSISTANT:  Thank you foe availing us.