You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Daniel Scott here.

ASSISTANT: Daniel, how can I assist you?

USER:  I am planning to attend music concert at CLT, can you please help me with booking a flight ticket from LGA?

ASSISTANT: Please provide your trip dates.

USER: I would like to fly on 08/18 and 08/20.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Sorry Scott, no flight is available on your route.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for choosing us.