You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Margaret Miller. I am planning to travel form LGA to IAH, help me in booking a flight?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Sept 14 to 16.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to depart in morning.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I need 1 connection flight.

ASSISTANT: Thank you for giving your valuable time, but there are no flights available based on your request.

USER: That's ok, thank you?

ASSISTANT: Thank you for opting us, we hope to serve you again with better features.