You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in flight ticket booking process from LAX to JFK?

ASSISTANT: Sure, could you please mention with your dates of journey?

USER: Thank you for your response, I want to take off on Apr 19 and book my return ticket also on Apr 21.

ASSISTANT: May I know your name please?

USER: Sure, my name is Edward Miller.

ASSISTANT: Are you looking for any other help from my side please?

USER: I want to return in afternoon time.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Miller, there is no flight found as per your travelling details.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: You are welcome.