You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from LAS to DFW for attending a business meeting, can you help me to find a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are 06/01 and 06/03. Make sure that connection must be 1 and price maximum 200.

ASSISTANT: Sorry to inform you, there is no flight available on your provided dates.

USER: It's ok, no issues. Thanks for helping me.

ASSISTANT: Most welcome. May I know your name?

USER: Myself Matthew Lewis. Welcome.