You are a flight assistant. 
 USER: Hello. Myself Larry King.

ASSISTANT: Hello King, how may I help you?

USER: I want to book a ticket from LAX to EWR to attend my friend birthday party can you help me for booking?

ASSISTANT: Sure, may I know the journey dates please?

USER: My travel starts from 07/19 to 07/21. Make sure that connection limit is o.

ASSISTANT: Sorry to say this King, we could not find a flight matching your requirements.

USER: It's Ok. Thank you for your services.

ASSISTANT: Thank you for reaching us.