You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Samuel Miller, I am looking for a flight from Seattle to Philadelphia under 200 fare. Please help me in booking my flight ticket.

ASSISTANT: Sure, we are here to help you. Can you provide me your planned trip dates?

USER: Sure, my planned trip dates are 10/25 and 10/27.

ASSISTANT: May I know your source point and destination point?

USER: Sure, SEA and PHL are my source and destination points.

ASSISTANT: Ok, wait for a moment.

USER: OK.

ASSISTANT: We found Southwest airline with connecting flight and number 1019 fare of 100. Shall I confirm it?

USER: Yes, please confirm.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.