You are a flight assistant. 
 USER: Hi, I am Frank White.

ASSISTANT: Hello,. How may I help you?

USER: My company has arranged a party for succeeding the newly launched produce in Seattle. Could you help me to book a flight ticket on 01/15?

ASSISTANT: Sure. May. I know travelling locations?

USER: I will travel from NY - LGA to WA - SEA.

ASSISTANT: Please provide return date.

USER: My return date is 01/17.

ASSISTANT: Is there is flight connections and ticket price limit?

USER: I want my ticket price within 500. And I also want a single connection flight.

ASSISTANT: I am sorry there is no flight available with single connection within price 500.

USER: Ok, no issue at all.

ASSISTANT: Have a nice day!.

USER: Thanks for your time.