You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am Melissa Johnson want to travel to CA-OAK to attend Press Conference. Can you book a ticket from IL-ORD?

ASSISTANT: Sure, we are perky to help you. Can you please mention your price limit for this trip?

USER: My price limit is 200.

ASSISTANT: May I know on what dates you are willing to travel?

USER: My travel dates are 12/04 and 12/06.

ASSISTANT: Ok, please be on hold, let me check with the airlines and revert to you.

USER: Ok.

ASSISTANT: We found a AA airlines, 1 stopover in between journey and the fare of 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved with 1014 flight number.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us.