You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What can I do for you today?

USER: Myself Katherine Lopez. I want to celebrate my mother birthday.I want to book a ticket.

ASSISTANT: Ok. Can you tell me your source and destination?

USER: My source and destination codes are CA-LAX to IL-ORD.

ASSISTANT: Please provide your travelling dates.

USER: My dates are from 02/04 to 02/06.

ASSISTANT: I found a flight for you with 2 connection. would you like to book this flight ticket?

USER: Sorry, I want a flight with 1 connection.

ASSISTANT: Ok. Sorry Katherine, With 1 connection I don't have any flight for you.

USER: Thank you for your help.

ASSISTANT: Most welcome.