You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Jackson.

ASSISTANT: How may I amend you today?

USER: I wish to go for my sister's baby shower program at New York, EWR. Can you please book a ticket for me?

ASSISTANT: Sure, may I have your trip dates?

USER: Journey dates are 08/30 to 09/01.

ASSISTANT: Ok. Please send the boarding point.

USER: Source code is Denver, DEN.

ASSISTANT: Ok. Do you need a connecting flight?

USER: I need connecting flight.

ASSISTANT: Ok. We found a connecting flight 1004. Your price limit is 200. Spirit is the airline available. Can I proceed to book?

USER: You can proceed.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you.