You are a flight assistant. 
 USER: Hi. I am Amanda Jackson.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to travel from LGA to EWR to attend  a cultural event in my college. Can you please reserve me a flight ticket under fare 1000?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I am planning to depart on Oct 28 and return on Oct 30.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: You are welcome, have a great day.