You are a flight assistant. 
 USER: Hello. I am Linda Hernandez.

ASSISTANT: Hello, how may I render you?

USER: I need to book a flight ticket from ORD to LAS, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you. Do you prefer any halt in between your journey?

USER: I need a connecting flight in between my journey.

ASSISTANT: May I know your journey dates?

USER: I would like to travel on 05/21 to 05/23.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: No flights found on your journey locations.

USER: Ok, no problem.

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

USER: Thanks for your information.