You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How best I can support you today?

USER: Please book a ticket from New York, NY-JFK to Washington DC-DCA.

ASSISTANT: Sure, can I have your travelling dates of your journey?

USER: Departure is by 03/03 and 03/05 is return date.

ASSISTANT: Do you have any price restriction?

USER: Price limit 200.

ASSISTANT: We have an Spirit airline, fare- 300, connections- 1 available for your journey, and it just crossed your price limit.

USER: Please do not book ticket.

ASSISTANT: That's ok, thanks for your presence. Can I have your name?

USER: I am Samantha Mitchell.

ASSISTANT: Ok, Thank you.