You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to travel from LGA to LAX for my client meeting, could you please help me to book my flight ticket?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you. I would like to depart on Feb 1st and return back on Feb 3rd.

ASSISTANT: Do you have any connection limit?

USER: I prefer for a direct flight.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Patricia Walker.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: There are no direct flights available for your journey with your requested dates of travelling.

USER: Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for approaching us, have a great day.