You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joseph Rodriguez.

ASSISTANT: What can I do for you for today?

USER: I like travelling, so can you help me booking flight ticket from LAS to AUS?

ASSISTANT: Sure, when you want to travel?

USER: My travelling dates are 01/03 and 01/05.

ASSISTANT: Just a moment please.

USER: Ok, I will wait for your reply.

ASSISTANT: I am sorry no flights found on your name.

USER: Oh! It's ok, no problem, thank you for your services.

ASSISTANT: Thank you for choosing our service.