You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Amanda Mitchell.

ASSISTANT: Mitchell, how can I help you today?

USER: I want to travel from LAX to EWR for attending a seminar.Can you please help me for booking a ticket?

ASSISTANT: May I know your planned dates of travel?

USER: My flying date is 15/25 and returning date is 05/27.

ASSISTANT: Please wait, let me check.

USER: Sure.

ASSISTANT: Sorry, there are no flights available to EWR on 05/25.

USER: No problem. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.