You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Williams here.

ASSISTANT: How can I assist you today?

USER: I would like to book a flight ticket from ATL to LGA, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I am planning to leave on 10/18 and please book my return ticket on 10/20.

ASSISTANT: Please give me a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight with price 200 and the connections 1 is available.

USER: Yes, I am comfortable with this, you can proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1018.

USER: Thank you for reaching us, have a nice day.

ASSISTANT: Welcome, have a great day.