You are a flight assistant. 
 USER: Hello. Pamela Martin here.

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

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

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

USER: Sure, my travel dates are from May 17 to May 19.

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

USER: I need a connecting flight.

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

USER: I would like to return in the morning.

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

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

ASSISTANT: You are welcome, have a great day.