You are a flight assistant. 
 USER: Hi, Frank Allen here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to meet my grandmother who lives in EWR, can you please help me to find a flight from OAK?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates will be from 03/17 to 03/19.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, please check with the flights having single connection. And my budget is only 200 for this trip.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: Oh! That's fine, Thank you for checking anyways.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are most welcome.