You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Ok, may I know your trip dates?

USER: I would like to take off on Nov 24 and return on Nov 26.

ASSISTANT: May I know your connection preference?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I don't have any other requirement.

ASSISTANT: May I know your name?

USER: My name is William Jones.

ASSISTANT: I am very sorry to tell you, there are no flights available for your journey.

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

ASSISTANT: Thank you for choosing us.

USER: You are welcome.