You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a business meeting in New York, can you please help me out with booking of a flight ticket from ORD to EWR?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Jack Allen.

ASSISTANT: Thank you. Can you please let me know your travel dates?

USER: My departure is on Jan 19 and please book my return ticket on Jan 21.

ASSISTANT: Sure, is there any class preference?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is a flight having single connection in AA Airlines and the ticket fare is 100 only. Flight departs at 11:00 hours and arrives at 9:00 hours. Can I book the ticket for you?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is confirmed successfully in economy class and your flight number is 1005.

USER: Thank you for your assistance.

ASSISTANT: You are welcome and thank you for choosing us.