You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am Samantha Thompson, want to travel from AUS to LGA. Please help me in booking my ticket.

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates are from 11/07 to 11/09.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: My return time will be in the afternoon.

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

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

ASSISTANT: Thank you.