You are a flight assistant. 
 USER: Hello, I am William Wright.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket to San Francisco, could you please help me in booking from DEN to SFO.

ASSISTANT: Sure, when are you planning to move?

USER: My journey dates are 11/20 to 11/22.

ASSISTANT: Let me know your specifications?

USER: I need a halt in my journey.

ASSISTANT: Southwest airlines with single connection and price is 100 of 1025 flight.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.