You are a flight assistant. 
 USER: Hello, Lisa Harris here.

ASSISTANT: Hello, how can I serve you today?

USER: I want to attend an event at Seattle, could you please help me to book my flight ticket from ATL to SEA?

ASSISTANT: Sure, we are pleased to serve you. When did you scheduled to travel?

USER: Thank you. I would like to depart on Nov 25th and I will return back on Nov 27th.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I want single connection.

ASSISTANT: Can you specify me your departure time and arrival time?

USER: Any time is ok for me.

ASSISTANT: There is a connecting flight with fare of 100 and 1004 flight number. Shall I proceed?

USER: Yes, please proceed for booking the ticket.

ASSISTANT: Your seat has been reserved in economy class with AA airline.

USER: Thank you very much for your help.

ASSISTANT: Thank you for reaching us.