You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Dennis Smith, can you help me to book a flight ticket from ATL to OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my travel dates are 10/02 and 10/04 respectively.

ASSISTANT: There is a connecting flight with fare 200, the number is 1019 in airline JetBlue.

USER: Please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help and quick service in booking.

ASSISTANT: Thank you for reaching us.