You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Anthony Clark. I would like to book a ticket from LAS to OAK, can you please help me out?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I am travelling on these dates 11/16 and 11/18.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight 1022 of JetBlue airlines with price 600, can I book it?

USER: My price limit is 200.

ASSISTANT: Sorry, there is no flight with your requirements.

USER: Ok no problem, thank you for your services.

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