You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you book a ticket for me?

ASSISTANT: Sure, may I know your name to proceed further?

USER: My name is Kathleen Green.

ASSISTANT: OK Kathleen, may I know your travel location details?

USER: I want to travel from NV - LAS to CA - LAX. My journey dates are 07/28 & 07/30.

ASSISTANT: OK, please wait for a minute.

USER: OK.

ASSISTANT: Thank you for your patience, based on your request I found flight with 1 connection and price 100. Is it OK for you?

USER: I need a flight with connection 0.

ASSISTANT: Sorry Kathleen, I cannot find any flight under your requirements.

USER: Thank you for your patience for checking.

ASSISTANT: Thank you, have a nice day!.