You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please reserve me a flight ticket from LGA to JFK?

ASSISTANT: Kindly mention your travelling dates?

USER: My trip dates are 09/18 - 09/20.

ASSISTANT: May I know your name?

USER: Anthony Hall here.

ASSISTANT: Is there any another specifications on your trip?

USER: I need a business class with single connection.

ASSISTANT: Please wait a moment.

USER: Ok. Make it fast.

ASSISTANT: Sorry Anthony Hall, no flights are available on respective dates of travel.

USER: No issues, thank you for your help.

ASSISTANT: Thanks for reaching us.