You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Anthony Moore. Can you help me in booking flight ticket from EWR to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates will be Oct 27th to Oct 29th.

ASSISTANT: At what time do you like to travel?

USER: I prefer to depart in the afternoon.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel with a lay by.

ASSISTANT: I am sorry to inform you that there is no flight on your details.

USER: No problem, I will go with another alternative. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.