You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I am Jessica Evans. We are planning for a trip to New York. Can you book a flight ticket from LAX to LGA?

ASSISTANT: Sure, can you please mention the dates of your journey?

USER: I want to take off on Aug, 29 and return on Aug, 31.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your requirements.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for contacting us.