You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to book a flight ticket from IAH to EWR?

ASSISTANT: Sure, please share your travelling dates?

USER: my travelling dates are June 26 and June 28.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

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

USER: My departure and arrival timings should be in the afternoon.

ASSISTANT: Any other requirements to be met?

USER: I prefer business class to travel.

ASSISTANT: May I know your name?

USER: I am Ashley Gonzalez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.