You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Amy Harris. Can you help me to book a flight ticket from AUS to LAS?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My trip dates are 08 and 10 of Apr.

ASSISTANT: May I know your connection limit?

USER: I need a connection limit.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the evening.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: It's ok, not a problem. Thank you.

ASSISTANT: Thanks for approaching us.