You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Yes, I need to book a flight from JFK to my hometown Las Vegas, LAS to meet my brother. Can you assist me?

ASSISTANT: May I know your travel dates?

USER: Ok, my travel dates are 04/20 and 04/22 respectively.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: There is a flight with flight number 1026 with price is 1000, can I proceed?

USER: No, please check for the price within 200.

ASSISTANT: May I know your name please?

USER: Yes, please book on the name Dennis Miller.

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

USER: That is ok, not a problem. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.