You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me to book a flight ticket from SEA to DFW?

ASSISTANT: Sure, can you please help me with your dates of journey?

USER: My trip dates are May 3 and May 5 respectively.

ASSISTANT: May I know your good name please?

USER: Charles Carter here.

ASSISTANT: Are you looking for any connecting flight?

USER: I want a connecting flight.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: Thank you for the help.

ASSISTANT: You are welcome.