You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you for today?

USER: I am Susan White, can you help me to book a flight from ORD to LAX?

ASSISTANT: Sure, what dates you are willing to travel?

USER: My preferable dates are 08/21 and 08/23.

ASSISTANT: Ok, may I know your connection preference to proceed further?

USER: Sure, please search a flight with 0 connection limit.

ASSISTANT: Sorry to say, no flights were found on your routes.

USER: Not an issue. Thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.