Hello, Jennifer Thompson here.
user
Hello, how may I assist you?
assistant
I want you to book a ticket for me from EWR to LAS, could you?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
I prefer my outing happens from July 18 and end by July 20.
user
May I know your price limit for this trip?
assistant
I can afford up to 200 for this trip.
user
Sorry to say, no flight is available for you.
assistant
That's not expected from you.  Anyways thanks for your time.
user
Thank you for reaching us, have a nice day.
assistant