You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, can you please share your travelling dates?

USER: I would like to depart on Dec 31st and return on Jan 2nd.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your class preference?

USER: I need a economy class ticket.

ASSISTANT: Any other requirements to be met?

USER: I have no other requirements.

ASSISTANT: May I know your name please?

USER: I am Cynthia Jones.

ASSISTANT: Sorry, there are no flights found with your given details.

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

ASSISTANT: Thank you for reaching us.