You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Linda Johnson here. I am planning to book my ticket from AUS to DTW. Can you please help me with booking  a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My preferable travel dates are from Dec 04 to Dec 06.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight in my journey.

ASSISTANT: Do you have any specifications?

USER: I would like to return in the afternoon.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your service.