You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Richard Taylor. Can you help me in booking a ticket from LAX to DFW as I need to attend my sports meet?

ASSISTANT: Sure Richard, please provide your desired travel dates?

USER: My travelling dates are 09/18 to 09/20. I prefer the journey with 0 connection.

ASSISTANT: Wait a while, Taylor.

USER: Ok.

ASSISTANT: Sorry to say, there is no flight available, Richard.

USER: No problem. Thank you for your time.

ASSISTANT: Thanks for reaching us.