You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking a flight ticket from Los Angeles, LAX to reach PHL?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Thank you.

ASSISTANT: You are welcome.

USER: My name is Kathleen Taylor.

ASSISTANT: Please let me know with your planned travel dates.

USER: My journey dates are from May 20 to May 22.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please help me with your preferred class to fly.

USER: I am ok with any class.

ASSISTANT: Do you have any other preferences in your journey?

USER: No, thanks for asking.

ASSISTANT: Kathleen Taylor, I am sorry to intimate you that there are no flights available for your journey.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us. Have a great time.