You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to attend a Music Concert at Seattle, could you please help me with booking a flight ticket from JFK to SEA?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I would like to depart on May 17th and return on May 19th.

ASSISTANT: Do you have any class preference?

USER: I need a economy class ticket.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Gary Allen.

ASSISTANT: Do you have any other specifications?

USER: Make sure that my depart time must be morning.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.