You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from JFK to ORD. Please help me.

ASSISTANT: Sure, I can help you. May I know your name?

USER: My name is David Carter.

ASSISTANT: Thank you. Please tell us your travel dates.

USER: July 10 and 12 are my planned travelling dates.

ASSISTANT: Noted. Do you have any class preference?

USER: Thank you. I am happy to fly in any class.

ASSISTANT: Ok, are you looking for any other preferences?

USER: I would like to fly in a connecting flight.

ASSISTANT: Noted. Please be on hold for a while, let me check for the available flights.

USER: Sure, I will wait.

ASSISTANT: There is a flight having single connection with JetBlue airlines and the ticket fare is 100 only in economy class. Flight will take-off at 10:00 hours and arrives at 19:00 hours. Shall I book the ticket for you?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket is confirmed successfully and your flight number is 1021.

USER: Thank you.

ASSISTANT: You are most welcome and have a nice day.