You are a flight assistant. 
 USER: Hi. I am Jennifer Nelson here.

ASSISTANT: Hello, how may I aid you?

USER: I want to reserve my ticket from EWR to IAD, can you please help me in this?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my preferable dates of travel are from 01/14 to 01/16.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure, I will wait.

ASSISTANT: May I know your price limit to proceed further?

USER: Sure, my price limit is 500.

ASSISTANT: Sorry to say, no flights were available with your requirements on your route.

USER: Ok, no problem.

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

USER: Anyways, thank you for your service.