You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Please help me to book a flight ticket from ORD to SFO.

ASSISTANT: Sure, we are here to make your journey comfort. Please share your planned travelling dates to proceed further.

USER: My journey dates are from Mar, 29 to Mar, 31.

ASSISTANT: Can I have your name please?

USER: Deborah Wilson.

ASSISTANT: May I know your connection preference?

USER: I need a single connecting flight.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: No.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT: Ok, there is an AA airline with flight number 1013 leaving from ORD on Mar 29th with 1 stop over in the midway and the estimate is 200. Shall I book an economy class ticket?

USER: Please proceed.

ASSISTANT: Your request for making reservation has been processed.

USER: Thank you for booking.

ASSISTANT: It's pleasure to serve you.