You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you assist me to book flight ticket from CLT to DFW?

ASSISTANT: Sure, Can you please provide your planned journey dates?

USER: My journey dates are Aug 19 and Aug 21.

ASSISTANT: Ok, let me know your connection limit.

USER: I need a stopover in between the journey.

ASSISTANT: Do you have any other specifications?

USER: I would like to prefer economy class.

ASSISTANT: Can I have your name please?

USER: Ryan Garcia here.

ASSISTANT: Sorry to say that, there were no flights running to that location on your specified dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for approaching us.