You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to see the West Coast's tallest building named Smith Tower at Seattle, WA - SEA, can you please avail me a flight ticket?

ASSISTANT: Sure, can you please share your source point?

USER: I would like to fly out of Philadelphia, PA - PHL.

ASSISTANT: Kindly mention your dates of travelling?

USER: I need a flight on 11/12 and intend to return on 11/14.

ASSISTANT: May I know your budget for ticket?

USER: I can afford up to 1000 for a ticket.

ASSISTANT: Do you need any halt in between journey?

USER: Yes.

ASSISTANT: Let me know your name to proceed?

USER: Myself Anthony Green.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, unfortunately no reservation found with provided name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.