You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you find a flight in afternoon from Chicago?

ASSISTANT: Sure, please share me your airport codes?

USER: My source point is ORD and my destination is EWR.

ASSISTANT: When do you like to travel?

USER: I plan to travel on Apr 28 and return on Apr 30.

ASSISTANT: Please share me your name to proceed next.

USER: My name is Patrick Nelson.

ASSISTANT: Flight-1013 is available with American airlines having direct connection and the ticket costs you 200 only in economy class. Are you comfortable with this flight?

USER: Can you provide me flight timing?

ASSISTANT: It depart at 17:00 hours and arrival at 22:00 hours.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved. Thank you.

USER: Thank you for helping me.