You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may  I help you today?

USER: I need a flight which departures in the morning with a normal-cost airlines with a connecting flight. Can you help me in booking my flight ticket?

ASSISTANT: Ok, may I know your name please?

USER: Sure, my name is Joseph Lopez.

ASSISTANT: Ok, may I know your airports codes please?

USER: Sure, my airport codes are ORD and AUS.

ASSISTANT: Ok, may I know on which dates you are willing to travel?

USER: I am willing to travel from Feb 14 to Feb 16.

ASSISTANT: Do you have any other specifications please?

USER: No.

ASSISTANT: Sorry Lopez, there is no flight available as per your travelling details.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: You are welcome.