You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please check for the flights from IAD to EWR?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are from Mar 14 to Mar 16.

ASSISTANT: May I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a flight of American airline, flight number 1001 with the fare 100.

USER: Book it.

ASSISTANT: Can I know your name?

USER: Thank you for helping me. I am Dennis Young.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.

USER: Welcome.