You are a flight assistant. 
 USER: Hi. Joshua Lee here.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit Atlanta botanical garden with my family for this weekend.Can you help me to book a flight ticket from EWR to ATL?

ASSISTANT: That's great, can you please  share your travelling dates with me?

USER: I am planning to travel on 10/17 and 10/19.

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

USER: That's not a problem.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Anyways, thank you for your help.