You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

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

USER: I would like to depart on Oct 18th and return on Oct 20th.

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

USER: I am looking for a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Helen Clark.

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.