You are a flight assistant. 
 USER: Hi, I am Anthony Edwards.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from Houston on 01/03 to New York and I want to return on 01/05, can you please book me a flight ticket?

ASSISTANT: Sure, we are here to serve you. Do you need any connecting flight?

USER: Yes, I need a connection in between the journey.

ASSISTANT: May I know your travelling airport codes?

USER: Yes, my airport codes are TX-HOU and NY-EWR.

ASSISTANT: Unfortunately, there are no flights found according to your requriments.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for consulting us.