You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Myself Donald Lee, I am planning along with my friends to travel Dallas this week day. Can you please help me in reserving the ticket from SEA to DFW?

ASSISTANT: Sure, can you share your journey dates?

USER: I will drop-off 09/23 and again I will return back on 09/25.

ASSISTANT: Give me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: There is a connecting flight with number 1004 in airline Southwest, the fare is 800.

USER: Yes, I think that can work for me. Go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you for opting us.