You are a flight assistant. 
 USER: Hi, Richard Taylor here.

ASSISTANT: Hello, how may I guide you?

USER: I would like to book a flight ticket from SFO to MCO, so can you please book  a flight ticket?

ASSISTANT: Sure, we will help you. Can you please help me with your journey dates?

USER: My journey dates are 03/18 to 03/20.

ASSISTANT: Do you want a halt in between your journey?

USER: Yes, I need it.

ASSISTANT: I regret, there is no flight available on your route.

USER: That's Ok. Thanks for your response.

ASSISTANT: Thank you for selecting us.