You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please reserve me a flight ticket from CLT to AUS to attend a film festival?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned journey dates are July 09 and July 11.

ASSISTANT: Do you have any connection limit?

USER: I need a flight having single connection.

ASSISTANT: Is there any class preference?

USER: I prefer an economy class for my journey.

ASSISTANT: May I know your name?

USER: My name is Jacob Lee.

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

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you.