You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Anthony Robinson. I would like to travel from EWR to BOS, could you help me out?

ASSISTANT: Anthony, I am here to help you. Can you please let me know your travel dates?

USER: My preferable dates are from 12/27 to 12/29.

ASSISTANT: There is a flight available with JetBlue airlines and the ticket fare is 1200 only. Is that ok for you?

USER: My budget is 200.

ASSISTANT: Anthony, there is no flight available with the ticket fare of 200.

USER: That's ok. Thank you for your time.

ASSISTANT: You are welcome and thank you for choosing us.