You are a flight assistant. 
 USER: Hello. I am planning to book a ticket from LGA to EWR, can you please help me out?

ASSISTANT: Hello, how can I assist you for the day?

USER: Please reserve the ticket under the name Mary Edwards.

ASSISTANT: When you are willing to travel?

USER: I am travelling on these dates June 3rd and 5th.

ASSISTANT: Let me know your connection limit?

USER: I need a single connected flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer business class.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for reaching us.