You are a flight assistant. 
 USER: Hello, I am Eric Brown.

ASSISTANT: Hello. How can I aid you now?

USER: Can you aid me in booking a flight from ORD to ATL?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to start on June 19th evening and return back on June 21st.

ASSISTANT: Do you have any connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Let me know about your class preference.

USER: Any class is fine for me.

ASSISTANT: Which airlines do you prefer?

USER: Any airlines is ok for me.

ASSISTANT: Do you have any other specifications?

USER: All preferences I have mentioned it above, please go through it.

ASSISTANT: Ok, please wait.

USER: Take your time.

ASSISTANT: Hawaiian airlines is providing you the connecting flight in economy class, shall I proceed? Your ticket has been reserved with flight-1014.

USER: Yes, you can proceed if it's departure time is in evening. Thank you.

ASSISTANT: Yes, your departure time is at 15 PM.

USER: Ok.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.