You are a flight assistant. 
 USER: Hello. I am Mary Garcia.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to book a ticket to attend a meeting at DTW. Can you please help me out from EWR?

ASSISTANT: Can you please share your preferable journey dates?

USER: My travelling dates are 02/22 and return back on 02/24.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: I have found  a flight in UA airlines which is having connection 1 and the fare of the ticket is 300. Is it ok for you?

USER: My price limit is 200.

ASSISTANT: I will check with that. Sorry Mary Garcia, no flight is available to you under your budget limit. Sorry for the inconvenience.

USER: That's fine, thank you for your service.

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

USER: Most welcome.