You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Thompson.

ASSISTANT: How may I assist you?

USER: I want to book a flight from PHL to LAX. Can you please help me with the booking?

ASSISTANT: Ok, may I know your journey dates?

USER: Sure, I want to travel on July 19 and need to return on July 21.

ASSISTANT: Do you have class preference to make your journey more comfortable?

USER: No, I am comfortable with any class.

ASSISTANT: Here I found a flight-1004 with single connection, shall I confirm it?

USER: No, I need a direct flight. Please check once again with it.

ASSISTANT: Sorry, there is no direct flight running on your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thanks for reaching us.