You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend business meeting at OAK, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to depart on Dec 5 and return on Dec 7.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specification.

ASSISTANT: Your good name please.

USER: My name is Shirley Clark.

ASSISTANT: We found an airline: JetBlue, flight number: 1010 and price is 100 with one connection.

USER: Yes, please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.