You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Robinson.

ASSISTANT: How can I help you?

USER: I am going to ATL for joining in collage for further studies, can you help in booking a flight from LAS?

ASSISTANT: Can you please tell your travelling dates?

USER: My date of journey is on 07/12 to 07/14.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you and have a nice day.