You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Lisa Gonzalez here. Can you please help me in booking a flight ticket from IAH to PHL?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, my travel dates are from Nov 22 to Nov 24.

ASSISTANT: Can you please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I need to depart in the evening.

ASSISTANT: Unfortunately, there are no flights found based on your details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.