You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dennis Miller.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking on 10/27 to 10/29?

ASSISTANT: Sure, will you mention your airport codes please?

USER: My source is LGA and destination is ORD.

ASSISTANT: Please give me a moment.

USER: Ok.

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

USER: You can book it.

ASSISTANT: Your ticket is booked. The flight number is 1006 and the airline is AA.

USER: Thank you.

ASSISTANT: Welcome, have a great day.