You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Scott.

ASSISTANT: How may I guide you?

USER: Please find a flight for me from EWR to BOS, to meet my father on his birthday.

ASSISTANT: Sure Scott, I am here to help you. When you are willing to travel?

USER: Sure, my journey dates are from 03/31 and 04/02.

ASSISTANT: Just a moment.

USER: Sure.

ASSISTANT: As per your data, I found a flight with Delta airlines and the ticket fare is 800 only. Shall I proceed for booking?

USER: Price should not exceed than 500.

ASSISTANT: Scott, sorry to intimate no flights are available on your requirements.

USER: It's ok, thanks for your information.

ASSISTANT: You are most welcome.