You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Please help me in booking flight ticket from EWR to LAX.

ASSISTANT: Sure, please share your travel dates.

USER: My trip dates are Oct 18 to Oct 20.

ASSISTANT: May I know your good name?

USER: Melissa Jones.

ASSISTANT: Please share your connection limit.

USER: I prefer to travel in connecting flight.

ASSISTANT: Is there any other specifications?

USER: My depart should be in the afternoon.

ASSISTANT: Sorry, there is no flight service available on your required dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for choosing us.