You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Jack Roberts want to book a ticket from IAD to SFO, can you please help me with that?

ASSISTANT: Sure. Can you please mention your preferable travel dates?

USER: My preferable travel dates are from Feb 29th to Mar 2nd.

ASSISTANT: Is there any additional preferences do you have?

USER: I want a halt in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a JetBlue airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Yes, please confirm.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1016.

USER: Thank you.

ASSISTANT: You are welcome Jack Roberts.