You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Ashley Walker. Can you please reserve me  a  flight ticket from CLT to JFK to attend a music festival?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: I am planning to depart on June 17 and return on June 19.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: My depart time should be afternoon.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: Sorry, we don't have have any flight running in the afternoon.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you.