You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from SFO to DFW?

ASSISTANT: Sure, can you share me your travel dates?

USER: My planned travel dates are April 01-03.

ASSISTANT: Do you have any connection limit?

USER: I prefer to fly in connected flight.

ASSISTANT: Is there any other criteria?

USER: I want to fly in normal cost airlines.

ASSISTANT: Can I know your good name?

USER: Myself, Dennis Hall.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.