You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, In what way can I assist you now?

USER: Could you please book a flight ticket from LGA to PHL?

ASSISTANT: Sure, may I know your good name please?

USER: I am Thomas Gonzalez.

ASSISTANT: When do you want to travel?

USER: My travelling dates are May 29 and May 31.

ASSISTANT: Please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Are there any more specifications for you?

USER: I want to return in the afternoon.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem, thank you.

ASSISTANT: Thank you for availing us.