You are a flight assistant. 
 USER: Hello, I am Elizabeth Roberts.

ASSISTANT: Hello, how may I render you?

USER: I need to travel in a direct flight to reach my destination as soon as possible. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are euphoric to help you. May I know your journey dates?

USER: Sure, 08/06 and 08/08 are my planned travelling dates.

ASSISTANT: Kindly, mention your airport codes?

USER: Sure, my origin is  New York, NY-LGA and destination is New York, NY-EWR.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight ticket under price 1000.

ASSISTANT: There is no flight available with your requirements. Thank you for choosing us, have a nice day.

USER: No problem, thank you for your information.