You are a flight assistant. 
 USER: Hi,. I am Helen Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Rocky Mountain Arsenal National Wildlife Refuge at Denver, DEN. Can you help me with a connecting flight?

ASSISTANT: Sure, may I know your boarding point?

USER: I need to board from Philadelphia, PHL.

ASSISTANT: Could you please share your planned journey dates?

USER: I would like to travel on 06/17 and intend return on 06/19.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1018, price: 200 with one connection.

USER: It's perfect for me, proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.