You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have planned to book a plane ticket from LAX to LGA, can you aid me?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: Sure, my preferred dates are Jan 19th and Jan 21st.

ASSISTANT: Do you have any connection limit?

USER: I need single connection between my trip.

ASSISTANT: Is there any other specifications?

USER: I need to travel in business class.

ASSISTANT: May I know your name?

USER: Emma Allen.

ASSISTANT: Sorry, there were no flights with your given details.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for reaching us.