You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to fly from LGA to DFW. Can you book a ticket from that route?

ASSISTANT: Sure, I'm glad to help you with that. May I know your good name please?

USER: Sure, Joshua Edwards here.

ASSISTANT: May I know your planned travel dates please?

USER: Your planned travel dates are 08/22 and 08/24.

ASSISTANT: Do you need break in between your journey?

USER: I want a connecting flight with business class only.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more, thank you.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.