You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Karen Hall.

ASSISTANT: Nice to meet you.

USER: I would lie to book a ticket to New York, can you please help me out?

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

USER: I am travelling on these dates 12/05 and 12/07.

ASSISTANT: Please provide your airport codes of your journey.

USER: I am flying from ORD to EWR.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: Ok, you can proceed with this flight.

ASSISTANT: Your ticket is booked. The flight number is 1021.

USER: Thank you for your services.

ASSISTANT: Welcome, have a great day.