You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Carter.

ASSISTANT: How may I assist you?

USER: I am planning to book a ticket from ORD to LGA. Can you please help me out?

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

USER: I would like to travel on Dec 28 and return back on Dec 30.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a normal cost.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and it has single connection. Can I book your ticket?

USER: That's fine, please proceed the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1011.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.