You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need to book a ticket to meet my friend, so could you please help me in booking a ticket from AUS?

ASSISTANT: Sure,may I know your destination airport code?

USER: Sure, my destination airport code is CLT.

ASSISTANT: Please share your travelling airport codes?

USER: My travelling dates are 07/17 and return on 07/17.

ASSISTANT: Please mention your name to book your ticket?

USER: My name is Emily Harris.

ASSISTANT: Thank you for your details, there are no flights found on the given dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for contacting us.