You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Myself Helen Campbell. Can you please book me a flight ticket from CLT to AUS?

ASSISTANT: Sure, please share me your travelling dates?

USER: My planned trip dates are Jan 31 and Feb 02.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Do you have any connection limit?

USER: I require a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: I would like to return in the afternoon.

ASSISTANT: Sorry, there were no flights with your given time.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.