You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help with the ticket booking from IAD to JFK?

ASSISTANT: Sure, kindly share your travel dates.

USER: My dates of journey are Oct 18 and Oct 20.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with a single connection.

ASSISTANT: Is there any other specification?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Charles Johnson.

ASSISTANT: There is a flight with your requirement, airline is American Airlines with price 200 and single connection.

USER: Yes, please book.

ASSISTANT: Your booking is done and flight number is 1012.

USER: Thank you for the help with the booking.

ASSISTANT: Thanks for reaching us.