You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from ORD to LGA. Please help me in booking my ticket.

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: Thank you and my journey dates are from 11/20 to 11/22.

ASSISTANT: May I know your good name please?

USER: Myself Mary Davis.

ASSISTANT: Do you have any other requirements please?

USER: Yes, I prefer economy class with 1 connecting flight.

ASSISTANT: Ok, please wait for a mean while.

USER: Also, I am looking for normal cost flight.

ASSISTANT: There is a connecting flight of fare 200 with the UA airline, are you ok with this ticket booking?

USER: Please proceed.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1023.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.