You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Jennifer Lewis. I would like to book a ticket to Los Angeles, can you please book a ticket?

ASSISTANT: Sure, I can help you with that. Can I know your travel dates for booking flight ticket?

USER: My travelling dates are 04/04 and 04/06.

ASSISTANT: May I know your preferable airport code names?

USER: I am flying on preferable airport codes IAD and LAX.

ASSISTANT: I have found a flight, connection limit of this airline is 1 and price is 300. Shall I proceed?

USER: I have a price limit 200, can you please check?

ASSISTANT: Sorry no flights available with your price limit.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.