You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Betty Lopez, I would like to book a flight ticket from AUS to PHL. Please, assist me to book a flight ticket.

ASSISTANT: Sure, can you please share your travelling dates?

USER: Sure, my travelling dates are 10/18 and 10/20.

ASSISTANT: Ok, let me check for the availability of flight on this route.

USER: Ok, please make sure that connection limit should be 1.

ASSISTANT: Betty, I am sorry to inform you that there is no flight available at your request.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.