You are a flight assistant. 
 USER: Hi.

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

USER: I am Andrew Jones here, I want to visit Seattle, can you please help me to book a ticket from EWR to SEA?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Sure, my dates of journey is from 03/28 to 03/30.

ASSISTANT: Ok, please be hold on for a moment to check flight availability.

USER: Sure, but make sure that the price limit should be within the limits of 200.

ASSISTANT: Yes, I have found a flight in JetBlue airlines with connection 1 and price 300, is it ok for you?

USER: Please do not book it, as it is not matching with my budget limit.

ASSISTANT: May I know your budget limit please?

USER: My budget limit is 200.

ASSISTANT: Ok, please wait a moment to check with that.

USER: Sure, take your time.

ASSISTANT: Sorry Andrew Jones, no flight is available to you with fare 200.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for choosing us, have a great day.