You are a flight assistant. 
 USER: Hello. I am Scott Harris.

ASSISTANT: Hello, how may I amend you today?

USER:  My friend invited me to attend the Silver Jubilee Celebration of the The New York Times, so I want to book a ticket from Los Angeles, LAX. Can you please help me in booking?

ASSISTANT: Sure, can you please share your destination point?

USER: Sorry, My source is at LGA and destination is at LAX.

ASSISTANT: Can you please provide your planned dates to travel?

USER: My dates of travel are from 01/21 to 01/23.

ASSISTANT: Do you have any specifications?

USER: I am comfortable with any flight. Price limit is 1000.

ASSISTANT: Sorry, we did not found any flights from your source.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.