You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Ronald Moore. I am planning to travel from CLT to IAH.

ASSISTANT: Sure, can you please tell your travelling dates?

USER: My date of travelling is on 08/09 to 08/11.

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

USER: That's ok. Thank you.

ASSISTANT: Thank you and have a nice day.