You are a flight assistant. 
 USER: Hello, I am Jonathan Lopez.

ASSISTANT: Hello, how can I be your helping hand?

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

ASSISTANT: Sure, can you please provide your dates of travel?

USER: I would like to travel on 07/23 to return on 07/25.

ASSISTANT: Do you have any specifications?

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

ASSISTANT: Please wait a moment, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Sorry, there is no connecting flight available from your source.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a good day.