You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Carol Roberts here. Can you please check for the flights on the route from PHL to LGA for my journey?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from Nov 7th to Nov 9th.

ASSISTANT: Do you have any class preference?

USER: No, but I need single connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: My depart time is in the morning.

ASSISTANT: Carol Roberts, I am sorry to inform you that there is no flight available at your request.

USER: Oh! That's very disappointing to know. Anyways, thank you for checking.

ASSISTANT: You are welcome. Thank you for contacting us.

USER: Most welcome.