You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, Please specify me, How may I assist you the day?

USER: Ruth Edwards here. I would like to book a ticket from HOU to LAS, can you please help me with that?

ASSISTANT: Sure, we are perky to assist you. Kindly mention your travelling dates?

USER: The travel dates are from 08/15 to 08/17.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a halt.

ASSISTANT: Ok, Please be on hold for sometime to check the suitable flight for your journey.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: That's ok, thank you for your help.

ASSISTANT: Thanks for approaching us, wish you a nice day.