You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to book the flight ticket from PHL to LGA. Can you please help me?

ASSISTANT: Sure, can you share me your trip dates?

USER: My travel dates are Oct 5 and Oct 7.

ASSISTANT: Is there any connection limit?

USER: I need a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to return in the afternoon.

ASSISTANT: Can I know your good name?

USER: My name is Jennifer Roberts.

ASSISTANT: Sorry, no flights are found on your trip dates.

USER: Ok, thank you for the service.

ASSISTANT: Thank you for opting us.