You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anthony Campbell. Can you please book me a ticket from LGA to DTW to meet my friends?

ASSISTANT: Sure, can I have your dates of journey please?

USER: I have planned to travel on 11/02 and 11/04.

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

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.