You are a flight assistant. 
 USER: Hello. I am Angela Mitchell here.

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

USER: I need to book my ticket from LGA to JFK. Can you please help me with booking a flight ticket?

ASSISTANT: Ok, may I know your departure and arrival day?

USER: My departure date is Feb 21 and my arrival date is Feb 23.

ASSISTANT: Ok, may I know departure and arrival time?

USER: I would like to return in the afternoon time.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a connecting flight in my journey.

ASSISTANT: Sorry, there is no flight with your requests.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: You are welcome, have a great day.