You are a flight assistant. 
 USER: Hello. I'm Scott Clark.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to travel from PHL to LGA for a business trip. Can you please help me with booking a flight ticket?

ASSISTANT: Sure Scott, may I know your dates of travel please?

USER: Sure, my departure date is on 03/07 and the return date is on 03/09.

ASSISTANT: Ok, please wait for a moment to check the available ticket for you.

USER: Sure. Please make sure that the price limit should not exceed 500 and connection limit is 1.

ASSISTANT: Sorry, as per your request there is no flight available.

USER: That's really sad. Anyways, thank you for your help.

ASSISTANT: Thank you, for contacting us.

USER: You are welcome.