You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to book a flight ticket from HOU to DFW?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: I planned my trip on the dates May 7 and May 9.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, other specifications.

ASSISTANT: Ok, please share your name.

USER: Myself Barbara Edwards.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for choosing us.