You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Frank Gonzalez here.

ASSISTANT: How can I help you?

USER: I want to book a ticket for attending my friend birthday, hope your helping me on that.

ASSISTANT: Sure, please provide your travelling dates?

USER: Ok, I would like to travel on 10/04 to 10/06.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: Yes, my source and destinations are from LAX to EWR. Make sure connection limit should be 0.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry there is no flight available with 0 connection as per your requested dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.