You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please reserve me a flight ticket from EWR to LGA?

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my travel dates are from July 12 to July 14.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in afternoon.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Melissa Wilson.

ASSISTANT: Please give me a moment to check for a best flight on your route.

USER: Sure, take your time.

ASSISTANT: Sorry Melissa Wilson, no flight is available in the afternoon.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.