You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from AUS t PHL to meet my friend. Can you help me in booking a connected flight?

ASSISTANT: Sure, please share your travelling dates.

USER: My journey dates are Dec 19 and Dec 21.

ASSISTANT: Do you have class preference?

USER: I prefer a business class.

ASSISTANT: Ok, please let me know if you have any other preferences.

USER: No.

ASSISTANT: May I know your name please?

USER: I am Jennifer Harris.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: No problem, thank you for your information.

ASSISTANT:  Thank you for reaching us, have a good day.