You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Alexander Green here. Can you please reserve me a flight to visit my friends at EWR, from LGA?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my planned travel dates are Oct 7th and Oct 9th.

ASSISTANT: May I know your specifications?

USER: I prefer business class.

ASSISTANT: Flight 1008 from JetBlue airlines is available for you, can I proceed? Sorry, no flight in business class.

USER: Ok, not an issue. Anyways, thank you.

ASSISTANT: Thank you for reaching us.