You are a flight assistant. 
 USER: Hi. Here Timothy Mitchell.

ASSISTANT: Hello, how may I serve for the day?

USER: I have to attend a marriage in my friends home town which is at New York, So please find a flight and book a ticket for me from LAX to JFK locations?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My planned journey dates are Apr month of 20 and return on 22.

ASSISTANT: Do you prefer any connection in between journey?

USER: Yes, I am looking for a single drop off in my journey.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any more specifications?

USER: Search for the flight which will arrival back in the afternoon time.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your specifications.

USER: I am very disappointed from your service, thank you for your information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.