You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking the flight ticket from IAH to EWR?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are July 29 and July 31.

ASSISTANT: May I know your 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: May I know your good name?

USER: Elizabeth Wright.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.